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Finding the Fourth Proportional to 632,191.60, 948,287.40 and 607,697.20

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Solution

The fourth proportional to 632,191.60, 948,287.40 and 607,697.20 is: 911,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,191.60 : 948,287.40 = 607,697.20 : x
  2. Step 2: Convert to fraction form
    632,191.60/948,287.40 = 607,697.20/x
  3. Step 3: Cross multiply
    632,191.60x = 948,287.40 × 607,697.20
  4. Step 4: Simplify right side
    632,191.60x = 576,271,597,775.28
  5. Step 5: Solve for x
    x = 576,271,597,775.28/632,191.60
  6. Step 6: Final answer
    x = 911,545.80

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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.