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Finding the Fourth Proportional to 624,472.74, 861,774.48 and 337,992.66

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Solution

The fourth proportional to 624,472.74, 861,774.48 and 337,992.66 is: 466,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,472.74 : 861,774.48 = 337,992.66 : x
  2. Step 2: Convert to fraction form
    624,472.74/861,774.48 = 337,992.66/x
  3. Step 3: Cross multiply
    624,472.74x = 861,774.48 × 337,992.66
  4. Step 4: Simplify right side
    624,472.74x = 291,273,448,815.32
  5. Step 5: Solve for x
    x = 291,273,448,815.32/624,472.74
  6. Step 6: Final answer
    x = 466,431.01

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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.