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Finding the Fourth Proportional to 624,344.78, 861,595.79 and 337,864.87

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Solution

The fourth proportional to 624,344.78, 861,595.79 and 337,864.87 is: 466,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,344.78 : 861,595.79 = 337,864.87 : x
  2. Step 2: Convert to fraction form
    624,344.78/861,595.79 = 337,864.87/x
  3. Step 3: Cross multiply
    624,344.78x = 861,595.79 × 337,864.87
  4. Step 4: Simplify right side
    624,344.78x = 291,102,948,968.57
  5. Step 5: Solve for x
    x = 291,102,948,968.57/624,344.78
  6. Step 6: Final answer
    x = 466,253.51

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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.