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Finding the Fourth Proportional to 318,414.32, 477,227.82 and 160,687.88

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Solution

The fourth proportional to 318,414.32, 477,227.82 and 160,687.88 is: 240,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,414.32 : 477,227.82 = 160,687.88 : x
  2. Step 2: Convert to fraction form
    318,414.32/477,227.82 = 160,687.88/x
  3. Step 3: Cross multiply
    318,414.32x = 477,227.82 × 160,687.88
  4. Step 4: Simplify right side
    318,414.32x = 76,684,726,672.82
  5. Step 5: Solve for x
    x = 76,684,726,672.82/318,414.32
  6. Step 6: Final answer
    x = 240,833.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.