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Finding the Fourth Proportional to 624,415.50, 861,691.77 and 337,935.51

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Solution

The fourth proportional to 624,415.50, 861,691.77 and 337,935.51 is: 466,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,415.50 : 861,691.77 = 337,935.51 : x
  2. Step 2: Convert to fraction form
    624,415.50/861,691.77 = 337,935.51/x
  3. Step 3: Cross multiply
    624,415.50x = 861,691.77 × 337,935.51
  4. Step 4: Simplify right side
    624,415.50x = 291,196,247,757.75
  5. Step 5: Solve for x
    x = 291,196,247,757.75/624,415.50
  6. Step 6: Final answer
    x = 466,350.13

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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.