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Finding the Fourth Proportional to 339,820.94, 468,776.22 and 203,789.54

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Solution

The fourth proportional to 339,820.94, 468,776.22 and 203,789.54 is: 281,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,820.94 : 468,776.22 = 203,789.54 : x
  2. Step 2: Convert to fraction form
    339,820.94/468,776.22 = 203,789.54/x
  3. Step 3: Cross multiply
    339,820.94x = 468,776.22 × 203,789.54
  4. Step 4: Simplify right side
    339,820.94x = 95,531,690,236.74
  5. Step 5: Solve for x
    x = 95,531,690,236.74/339,820.94
  6. Step 6: Final answer
    x = 281,123.61

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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.