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Finding the Fourth Proportional to 509,954.80, 764,932.20 and 244,234.30

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Solution

The fourth proportional to 509,954.80, 764,932.20 and 244,234.30 is: 366,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,954.80 : 764,932.20 = 244,234.30 : x
  2. Step 2: Convert to fraction form
    509,954.80/764,932.20 = 244,234.30/x
  3. Step 3: Cross multiply
    509,954.80x = 764,932.20 × 244,234.30
  4. Step 4: Simplify right side
    509,954.80x = 186,822,680,414.46
  5. Step 5: Solve for x
    x = 186,822,680,414.46/509,954.80
  6. Step 6: Final answer
    x = 366,351.45

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Double scale
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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.