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Finding the Fourth Proportional to 624,381.75, 861,646.81 and 337,901.89

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Solution

The fourth proportional to 624,381.75, 861,646.81 and 337,901.89 is: 466,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,381.75 : 861,646.81 = 337,901.89 : x
  2. Step 2: Convert to fraction form
    624,381.75/861,646.81 = 337,901.89/x
  3. Step 3: Cross multiply
    624,381.75x = 861,646.81 × 337,901.89
  4. Step 4: Simplify right side
    624,381.75x = 291,152,085,611.47
  5. Step 5: Solve for x
    x = 291,152,085,611.47/624,381.75
  6. Step 6: Final answer
    x = 466,304.61

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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.