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Finding the Fourth Proportional to 361,099.67, 541,446.90 and 247,375.97

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Solution

The fourth proportional to 361,099.67, 541,446.90 and 247,375.97 is: 370,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,099.67 : 541,446.90 = 247,375.97 : x
  2. Step 2: Convert to fraction form
    361,099.67/541,446.90 = 247,375.97/x
  3. Step 3: Cross multiply
    361,099.67x = 541,446.90 × 247,375.97
  4. Step 4: Simplify right side
    361,099.67x = 133,940,955,619.40
  5. Step 5: Solve for x
    x = 133,940,955,619.40/361,099.67
  6. Step 6: Final answer
    x = 370,925.17

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Why These Related Problems?

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