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Finding the Fourth Proportional to 327,861.60, 491,500.80 and 194,600.40

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Solution

The fourth proportional to 327,861.60, 491,500.80 and 194,600.40 is: 291,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,861.60 : 491,500.80 = 194,600.40 : x
  2. Step 2: Convert to fraction form
    327,861.60/491,500.80 = 194,600.40/x
  3. Step 3: Cross multiply
    327,861.60x = 491,500.80 × 194,600.40
  4. Step 4: Simplify right side
    327,861.60x = 95,646,252,280.32
  5. Step 5: Solve for x
    x = 95,646,252,280.32/327,861.60
  6. Step 6: Final answer
    x = 291,727.52

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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.