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Finding the Fourth Proportional to 624,342, 861,591.96 and 337,862.09

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Solution

The fourth proportional to 624,342, 861,591.96 and 337,862.09 is: 466,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,342 : 861,591.96 = 337,862.09 : x
  2. Step 2: Convert to fraction form
    624,342/861,591.96 = 337,862.09/x
  3. Step 3: Cross multiply
    624,342x = 861,591.96 × 337,862.09
  4. Step 4: Simplify right side
    624,342x = 291,099,256,024.84
  5. Step 5: Solve for x
    x = 291,099,256,024.84/624,342
  6. Step 6: Final answer
    x = 466,249.68

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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.