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Finding the Fourth Proportional to 624,349.01, 861,603.78 and 337,869.02

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Solution

The fourth proportional to 624,349.01, 861,603.78 and 337,869.02 is: 466,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,349.01 : 861,603.78 = 337,869.02 : x
  2. Step 2: Convert to fraction form
    624,349.01/861,603.78 = 337,869.02/x
  3. Step 3: Cross multiply
    624,349.01x = 861,603.78 × 337,869.02
  4. Step 4: Simplify right side
    624,349.01x = 291,109,228,197.91
  5. Step 5: Solve for x
    x = 291,109,228,197.91/624,349.01
  6. Step 6: Final answer
    x = 466,260.41

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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.