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Finding the Fourth Proportional to 624,331.65, 861,579.95 and 337,851.71

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Solution

The fourth proportional to 624,331.65, 861,579.95 and 337,851.71 is: 466,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,331.65 : 861,579.95 = 337,851.71 : x
  2. Step 2: Convert to fraction form
    624,331.65/861,579.95 = 337,851.71/x
  3. Step 3: Cross multiply
    624,331.65x = 861,579.95 × 337,851.71
  4. Step 4: Simplify right side
    624,331.65x = 291,086,259,409.22
  5. Step 5: Solve for x
    x = 291,086,259,409.22/624,331.65
  6. Step 6: Final answer
    x = 466,236.59

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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.