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Finding the Fourth Proportional to 627,902.80, 941,854.20 and 253,733.20

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Solution

The fourth proportional to 627,902.80, 941,854.20 and 253,733.20 is: 380,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,902.80 : 941,854.20 = 253,733.20 : x
  2. Step 2: Convert to fraction form
    627,902.80/941,854.20 = 253,733.20/x
  3. Step 3: Cross multiply
    627,902.80x = 941,854.20 × 253,733.20
  4. Step 4: Simplify right side
    627,902.80x = 238,979,680,099.44
  5. Step 5: Solve for x
    x = 238,979,680,099.44/627,902.80
  6. Step 6: Final answer
    x = 380,599.80

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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.