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Finding the Fourth Proportional to 361,755.20, 542,827.20 and 151,414.40

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Solution

The fourth proportional to 361,755.20, 542,827.20 and 151,414.40 is: 227,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,755.20 : 542,827.20 = 151,414.40 : x
  2. Step 2: Convert to fraction form
    361,755.20/542,827.20 = 151,414.40/x
  3. Step 3: Cross multiply
    361,755.20x = 542,827.20 × 151,414.40
  4. Step 4: Simplify right side
    361,755.20x = 82,191,854,791.68
  5. Step 5: Solve for x
    x = 82,191,854,791.68/361,755.20
  6. Step 6: Final answer
    x = 227,202.97

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1.5x scale

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.