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Finding the Fourth Proportional to 327,250.80, 490,874.40 and 90,591.84

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Solution

The fourth proportional to 327,250.80, 490,874.40 and 90,591.84 is: 135,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,250.80 : 490,874.40 = 90,591.84 : x
  2. Step 2: Convert to fraction form
    327,250.80/490,874.40 = 90,591.84/x
  3. Step 3: Cross multiply
    327,250.80x = 490,874.40 × 90,591.84
  4. Step 4: Simplify right side
    327,250.80x = 44,469,215,104.90
  5. Step 5: Solve for x
    x = 44,469,215,104.90/327,250.80
  6. Step 6: Final answer
    x = 135,887.26

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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.