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Finding the Fourth Proportional to 980,207.28, 1,469,002.68 and 523,863

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Solution

The fourth proportional to 980,207.28, 1,469,002.68 and 523,863 is: 785,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,207.28 : 1,469,002.68 = 523,863 : x
  2. Step 2: Convert to fraction form
    980,207.28/1,469,002.68 = 523,863/x
  3. Step 3: Cross multiply
    980,207.28x = 1,469,002.68 × 523,863
  4. Step 4: Simplify right side
    980,207.28x = 769,556,150,952.84
  5. Step 5: Solve for x
    x = 769,556,150,952.84/980,207.28
  6. Step 6: Final answer
    x = 785,095.32

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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.