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Finding the Fourth Proportional to 627,842.80, 941,764.20 and 332,930.80

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Solution

The fourth proportional to 627,842.80, 941,764.20 and 332,930.80 is: 499,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,842.80 : 941,764.20 = 332,930.80 : x
  2. Step 2: Convert to fraction form
    627,842.80/941,764.20 = 332,930.80/x
  3. Step 3: Cross multiply
    627,842.80x = 941,764.20 × 332,930.80
  4. Step 4: Simplify right side
    627,842.80x = 313,542,308,517.36
  5. Step 5: Solve for x
    x = 313,542,308,517.36/627,842.80
  6. Step 6: Final answer
    x = 499,396.20

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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.