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Finding the Fourth Proportional to 327,229.92, 490,855.84 and 90,552.80

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Solution

The fourth proportional to 327,229.92, 490,855.84 and 90,552.80 is: 135,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,229.92 : 490,855.84 = 90,552.80 : x
  2. Step 2: Convert to fraction form
    327,229.92/490,855.84 = 90,552.80/x
  3. Step 3: Cross multiply
    327,229.92x = 490,855.84 × 90,552.80
  4. Step 4: Simplify right side
    327,229.92x = 44,448,370,708.35
  5. Step 5: Solve for x
    x = 44,448,370,708.35/327,229.92
  6. Step 6: Final answer
    x = 135,832.23

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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.