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Finding the Fourth Proportional to 327,101.10, 490,651.65 and 271,805.10

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Solution

The fourth proportional to 327,101.10, 490,651.65 and 271,805.10 is: 407,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,101.10 : 490,651.65 = 271,805.10 : x
  2. Step 2: Convert to fraction form
    327,101.10/490,651.65 = 271,805.10/x
  3. Step 3: Cross multiply
    327,101.10x = 490,651.65 × 271,805.10
  4. Step 4: Simplify right side
    327,101.10x = 133,361,620,793.42
  5. Step 5: Solve for x
    x = 133,361,620,793.42/327,101.10
  6. Step 6: Final answer
    x = 407,707.65

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Similar ratio
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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.