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Finding the Fourth Proportional to 361,372.32, 542,108.24 and 121,504.80

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Solution

The fourth proportional to 361,372.32, 542,108.24 and 121,504.80 is: 182,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,372.32 : 542,108.24 = 121,504.80 : x
  2. Step 2: Convert to fraction form
    361,372.32/542,108.24 = 121,504.80/x
  3. Step 3: Cross multiply
    361,372.32x = 542,108.24 × 121,504.80
  4. Step 4: Simplify right side
    361,372.32x = 65,868,753,279.55
  5. Step 5: Solve for x
    x = 65,868,753,279.55/361,372.32
  6. Step 6: Final answer
    x = 182,273.93

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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.