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Finding the Fourth Proportional to 542,545.08, 748,591.02 and 324,719.88

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Solution

The fourth proportional to 542,545.08, 748,591.02 and 324,719.88 is: 448,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,545.08 : 748,591.02 = 324,719.88 : x
  2. Step 2: Convert to fraction form
    542,545.08/748,591.02 = 324,719.88/x
  3. Step 3: Cross multiply
    542,545.08x = 748,591.02 × 324,719.88
  4. Step 4: Simplify right side
    542,545.08x = 243,082,386,183.48
  5. Step 5: Solve for x
    x = 243,082,386,183.48/542,545.08
  6. Step 6: Final answer
    x = 448,040.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.