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Finding the Fourth Proportional to 542,034.08, 748,034.88 and 327,171.20

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Solution

The fourth proportional to 542,034.08, 748,034.88 and 327,171.20 is: 451,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,034.08 : 748,034.88 = 327,171.20 : x
  2. Step 2: Convert to fraction form
    542,034.08/748,034.88 = 327,171.20/x
  3. Step 3: Cross multiply
    542,034.08x = 748,034.88 × 327,171.20
  4. Step 4: Simplify right side
    542,034.08x = 244,735,469,331.46
  5. Step 5: Solve for x
    x = 244,735,469,331.46/542,034.08
  6. Step 6: Final answer
    x = 451,513.07

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Similar ratio
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1.5x scale

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.