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Finding the Fourth Proportional to 587,149.48, 810,286.23 and 560,245.28

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Solution

The fourth proportional to 587,149.48, 810,286.23 and 560,245.28 is: 773,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,149.48 : 810,286.23 = 560,245.28 : x
  2. Step 2: Convert to fraction form
    587,149.48/810,286.23 = 560,245.28/x
  3. Step 3: Cross multiply
    587,149.48x = 810,286.23 × 560,245.28
  4. Step 4: Simplify right side
    587,149.48x = 453,959,036,838.15
  5. Step 5: Solve for x
    x = 453,959,036,838.15/587,149.48
  6. Step 6: Final answer
    x = 773,157.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.