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Finding the Fourth Proportional to 624,209.47, 861,402.95 and 337,723.27

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Solution

The fourth proportional to 624,209.47, 861,402.95 and 337,723.27 is: 466,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,209.47 : 861,402.95 = 337,723.27 : x
  2. Step 2: Convert to fraction form
    624,209.47/861,402.95 = 337,723.27/x
  3. Step 3: Cross multiply
    624,209.47x = 861,402.95 × 337,723.27
  4. Step 4: Simplify right side
    624,209.47x = 290,915,819,373.03
  5. Step 5: Solve for x
    x = 290,915,819,373.03/624,209.47
  6. Step 6: Final answer
    x = 466,054.80

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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.