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Finding the Fourth Proportional to 868,728.20, 1,301,652.11 and 614,750.27

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Solution

The fourth proportional to 868,728.20, 1,301,652.11 and 614,750.27 is: 921,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,728.20 : 1,301,652.11 = 614,750.27 : x
  2. Step 2: Convert to fraction form
    868,728.20/1,301,652.11 = 614,750.27/x
  3. Step 3: Cross multiply
    868,728.20x = 1,301,652.11 × 614,750.27
  4. Step 4: Simplify right side
    868,728.20x = 800,190,981,097.19
  5. Step 5: Solve for x
    x = 800,190,981,097.19/868,728.20
  6. Step 6: Final answer
    x = 921,106.26

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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.