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Finding the Fourth Proportional to 542,753.56, 748,509.87 and 338,823.28

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Solution

The fourth proportional to 542,753.56, 748,509.87 and 338,823.28 is: 467,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,753.56 : 748,509.87 = 338,823.28 : x
  2. Step 2: Convert to fraction form
    542,753.56/748,509.87 = 338,823.28/x
  3. Step 3: Cross multiply
    542,753.56x = 748,509.87 × 338,823.28
  4. Step 4: Simplify right side
    542,753.56x = 253,612,569,265.77
  5. Step 5: Solve for x
    x = 253,612,569,265.77/542,753.56
  6. Step 6: Final answer
    x = 467,270.21

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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.