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Finding the Fourth Proportional to 542,757.78, 748,908.90 and 327,753.90

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Solution

The fourth proportional to 542,757.78, 748,908.90 and 327,753.90 is: 452,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,757.78 : 748,908.90 = 327,753.90 : x
  2. Step 2: Convert to fraction form
    542,757.78/748,908.90 = 327,753.90/x
  3. Step 3: Cross multiply
    542,757.78x = 748,908.90 × 327,753.90
  4. Step 4: Simplify right side
    542,757.78x = 245,457,812,719.71
  5. Step 5: Solve for x
    x = 245,457,812,719.71/542,757.78
  6. Step 6: Final answer
    x = 452,241.91

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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.