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Finding the Fourth Proportional to 437,452.80, 656,098.20 and 121,844.40

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Solution

The fourth proportional to 437,452.80, 656,098.20 and 121,844.40 is: 182,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,452.80 : 656,098.20 = 121,844.40 : x
  2. Step 2: Convert to fraction form
    437,452.80/656,098.20 = 121,844.40/x
  3. Step 3: Cross multiply
    437,452.80x = 656,098.20 × 121,844.40
  4. Step 4: Simplify right side
    437,452.80x = 79,941,891,520.08
  5. Step 5: Solve for x
    x = 79,941,891,520.08/437,452.80
  6. Step 6: Final answer
    x = 182,744.04

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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.