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Finding the Fourth Proportional to 625,773.29, 863,249.24 and 395,943.27

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Solution

The fourth proportional to 625,773.29, 863,249.24 and 395,943.27 is: 546,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,773.29 : 863,249.24 = 395,943.27 : x
  2. Step 2: Convert to fraction form
    625,773.29/863,249.24 = 395,943.27/x
  3. Step 3: Cross multiply
    625,773.29x = 863,249.24 × 395,943.27
  4. Step 4: Simplify right side
    625,773.29x = 341,797,724,930.90
  5. Step 5: Solve for x
    x = 341,797,724,930.90/625,773.29
  6. Step 6: Final answer
    x = 546,200.57

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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.