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Finding the Fourth Proportional to 627,416.80, 941,125.20 and 332,504.80

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Solution

The fourth proportional to 627,416.80, 941,125.20 and 332,504.80 is: 498,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,416.80 : 941,125.20 = 332,504.80 : x
  2. Step 2: Convert to fraction form
    627,416.80/941,125.20 = 332,504.80/x
  3. Step 3: Cross multiply
    627,416.80x = 941,125.20 × 332,504.80
  4. Step 4: Simplify right side
    627,416.80x = 312,928,646,400.96
  5. Step 5: Solve for x
    x = 312,928,646,400.96/627,416.80
  6. Step 6: Final answer
    x = 498,757.20

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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.