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Finding the Fourth Proportional to 591,086.80, 886,630.20 and 533,947.60

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Solution

The fourth proportional to 591,086.80, 886,630.20 and 533,947.60 is: 800,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,086.80 : 886,630.20 = 533,947.60 : x
  2. Step 2: Convert to fraction form
    591,086.80/886,630.20 = 533,947.60/x
  3. Step 3: Cross multiply
    591,086.80x = 886,630.20 × 533,947.60
  4. Step 4: Simplify right side
    591,086.80x = 473,414,067,377.52
  5. Step 5: Solve for x
    x = 473,414,067,377.52/591,086.80
  6. Step 6: Final answer
    x = 800,921.40

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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.