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Finding the Fourth Proportional to 539,523.39, 744,542.31 and 297,806.02

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Solution

The fourth proportional to 539,523.39, 744,542.31 and 297,806.02 is: 410,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,523.39 : 744,542.31 = 297,806.02 : x
  2. Step 2: Convert to fraction form
    539,523.39/744,542.31 = 297,806.02/x
  3. Step 3: Cross multiply
    539,523.39x = 744,542.31 × 297,806.02
  4. Step 4: Simplify right side
    539,523.39x = 221,729,182,062.71
  5. Step 5: Solve for x
    x = 221,729,182,062.71/539,523.39
  6. Step 6: Final answer
    x = 410,972.33

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Why These Related Problems?

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