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Finding the Fourth Proportional to 583,485.82, 804,757.68 and 518,143.39

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Solution

The fourth proportional to 583,485.82, 804,757.68 and 518,143.39 is: 714,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,485.82 : 804,757.68 = 518,143.39 : x
  2. Step 2: Convert to fraction form
    583,485.82/804,757.68 = 518,143.39/x
  3. Step 3: Cross multiply
    583,485.82x = 804,757.68 × 518,143.39
  4. Step 4: Simplify right side
    583,485.82x = 416,979,870,431.84
  5. Step 5: Solve for x
    x = 416,979,870,431.84/583,485.82
  6. Step 6: Final answer
    x = 714,635.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.