Which number should replace the question mark?Which number should replace the question mark?
Correct answers: 542
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Gustavus SwiftBorn 24 Jun 1839; died 29 Mar 1903 at age 63.American manufacturer and inventor of the first refrigerated railroad cars. These improved his handling of the supply of beef from western states to the Chicago meat company of which he was a partner. No longer was it necessary to ship live cattle for slaughter in the East. Upon the huge success of this venture, he founded a new company with his brother, Swift and Company, worth $25 million at his death. The alliances he made with two other major meat suppliers, J.O. Armour and Edward Morris, formed such a monopoly that the “Beef Trust” was broken up by action of the Supreme Court in 1905. Swift further pioneered products such as glue, soap, and margarine to make use of the parts of cattle previously discarded.