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Finding the Fourth Proportional to 868,114.60, 1,300,098.30 and 532,191.40

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Solution

The fourth proportional to 868,114.60, 1,300,098.30 and 532,191.40 is: 797,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,114.60 : 1,300,098.30 = 532,191.40 : x
  2. Step 2: Convert to fraction form
    868,114.60/1,300,098.30 = 532,191.40/x
  3. Step 3: Cross multiply
    868,114.60x = 1,300,098.30 × 532,191.40
  4. Step 4: Simplify right side
    868,114.60x = 691,901,134,414.62
  5. Step 5: Solve for x
    x = 691,901,134,414.62/868,114.60
  6. Step 6: Final answer
    x = 797,015.89

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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.