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Finding the Fourth Proportional to 363,906.60, 545,859.90 and 164,452.20

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Solution

The fourth proportional to 363,906.60, 545,859.90 and 164,452.20 is: 246,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,906.60 : 545,859.90 = 164,452.20 : x
  2. Step 2: Convert to fraction form
    363,906.60/545,859.90 = 164,452.20/x
  3. Step 3: Cross multiply
    363,906.60x = 545,859.90 × 164,452.20
  4. Step 4: Simplify right side
    363,906.60x = 89,767,861,446.78
  5. Step 5: Solve for x
    x = 89,767,861,446.78/363,906.60
  6. Step 6: Final answer
    x = 246,678.30

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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.