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Finding the Fourth Proportional to 325,909.15, 449,753.20 and 182,669.20

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Solution

The fourth proportional to 325,909.15, 449,753.20 and 182,669.20 is: 252,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,909.15 : 449,753.20 = 182,669.20 : x
  2. Step 2: Convert to fraction form
    325,909.15/449,753.20 = 182,669.20/x
  3. Step 3: Cross multiply
    325,909.15x = 449,753.20 × 182,669.20
  4. Step 4: Simplify right side
    325,909.15x = 82,156,055,660.38
  5. Step 5: Solve for x
    x = 82,156,055,660.38/325,909.15
  6. Step 6: Final answer
    x = 252,082.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.