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Finding the Fourth Proportional to 587,310.30, 878,997.15 and 587,310.30

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Solution

The fourth proportional to 587,310.30, 878,997.15 and 587,310.30 is: 878,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,310.30 : 878,997.15 = 587,310.30 : x
  2. Step 2: Convert to fraction form
    587,310.30/878,997.15 = 587,310.30/x
  3. Step 3: Cross multiply
    587,310.30x = 878,997.15 × 587,310.30
  4. Step 4: Simplify right side
    587,310.30x = 516,244,079,865.65
  5. Step 5: Solve for x
    x = 516,244,079,865.65/587,310.30
  6. Step 6: Final answer
    x = 878,997.15

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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.