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Finding the Fourth Proportional to 663,174.20, 994,760.05 and 207,800.29

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Solution

The fourth proportional to 663,174.20, 994,760.05 and 207,800.29 is: 311,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,174.20 : 994,760.05 = 207,800.29 : x
  2. Step 2: Convert to fraction form
    663,174.20/994,760.05 = 207,800.29/x
  3. Step 3: Cross multiply
    663,174.20x = 994,760.05 × 207,800.29
  4. Step 4: Simplify right side
    663,174.20x = 206,711,425,831.41
  5. Step 5: Solve for x
    x = 206,711,425,831.41/663,174.20
  6. Step 6: Final answer
    x = 311,700.04

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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.