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Finding the Fourth Proportional to 327,253.80, 490,878.90 and 90,594.84

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Solution

The fourth proportional to 327,253.80, 490,878.90 and 90,594.84 is: 135,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,253.80 : 490,878.90 = 90,594.84 : x
  2. Step 2: Convert to fraction form
    327,253.80/490,878.90 = 90,594.84/x
  3. Step 3: Cross multiply
    327,253.80x = 490,878.90 × 90,594.84
  4. Step 4: Simplify right side
    327,253.80x = 44,471,095,404.88
  5. Step 5: Solve for x
    x = 44,471,095,404.88/327,253.80
  6. Step 6: Final answer
    x = 135,891.76

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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.