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Finding the Fourth Proportional to 632,167.80, 948,251.70 and 419,591.40

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Solution

The fourth proportional to 632,167.80, 948,251.70 and 419,591.40 is: 629,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,167.80 : 948,251.70 = 419,591.40 : x
  2. Step 2: Convert to fraction form
    632,167.80/948,251.70 = 419,591.40/x
  3. Step 3: Cross multiply
    632,167.80x = 948,251.70 × 419,591.40
  4. Step 4: Simplify right side
    632,167.80x = 397,878,258,355.38
  5. Step 5: Solve for x
    x = 397,878,258,355.38/632,167.80
  6. Step 6: Final answer
    x = 629,387.10

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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.