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Finding the Fourth Proportional to 383,181.40, 574,773.18 and 133,863.40

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Solution

The fourth proportional to 383,181.40, 574,773.18 and 133,863.40 is: 200,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,181.40 : 574,773.18 = 133,863.40 : x
  2. Step 2: Convert to fraction form
    383,181.40/574,773.18 = 133,863.40/x
  3. Step 3: Cross multiply
    383,181.40x = 574,773.18 × 133,863.40
  4. Step 4: Simplify right side
    383,181.40x = 76,941,092,103.61
  5. Step 5: Solve for x
    x = 76,941,092,103.61/383,181.40
  6. Step 6: Final answer
    x = 200,795.48

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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.