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Finding the Fourth Proportional to 361,272.60, 541,325.70 and 227,914.20

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Solution

The fourth proportional to 361,272.60, 541,325.70 and 227,914.20 is: 341,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,272.60 : 541,325.70 = 227,914.20 : x
  2. Step 2: Convert to fraction form
    361,272.60/541,325.70 = 227,914.20/x
  3. Step 3: Cross multiply
    361,272.60x = 541,325.70 × 227,914.20
  4. Step 4: Simplify right side
    361,272.60x = 123,375,813,854.94
  5. Step 5: Solve for x
    x = 123,375,813,854.94/361,272.60
  6. Step 6: Final answer
    x = 341,503.38

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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.