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Finding the Fourth Proportional to 500,439.62, 750,504.17 and 180,549.90

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Solution

The fourth proportional to 500,439.62, 750,504.17 and 180,549.90 is: 270,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,439.62 : 750,504.17 = 180,549.90 : x
  2. Step 2: Convert to fraction form
    500,439.62/750,504.17 = 180,549.90/x
  3. Step 3: Cross multiply
    500,439.62x = 750,504.17 × 180,549.90
  4. Step 4: Simplify right side
    500,439.62x = 135,503,451,940.33
  5. Step 5: Solve for x
    x = 135,503,451,940.33/500,439.62
  6. Step 6: Final answer
    x = 270,768.84

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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.