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Finding the Fourth Proportional to 339,708.80, 468,824.28 and 203,747.96

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Solution

The fourth proportional to 339,708.80, 468,824.28 and 203,747.96 is: 281,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,708.80 : 468,824.28 = 203,747.96 : x
  2. Step 2: Convert to fraction form
    339,708.80/468,824.28 = 203,747.96/x
  3. Step 3: Cross multiply
    339,708.80x = 468,824.28 × 203,747.96
  4. Step 4: Simplify right side
    339,708.80x = 95,521,990,648.47
  5. Step 5: Solve for x
    x = 95,521,990,648.47/339,708.80
  6. Step 6: Final answer
    x = 281,187.86

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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.