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Finding the Fourth Proportional to 363,137.31, 501,081.80 and 201,960.27

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Solution

The fourth proportional to 363,137.31, 501,081.80 and 201,960.27 is: 278,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,137.31 : 501,081.80 = 201,960.27 : x
  2. Step 2: Convert to fraction form
    363,137.31/501,081.80 = 201,960.27/x
  3. Step 3: Cross multiply
    363,137.31x = 501,081.80 × 201,960.27
  4. Step 4: Simplify right side
    363,137.31x = 101,198,614,610.29
  5. Step 5: Solve for x
    x = 101,198,614,610.29/363,137.31
  6. Step 6: Final answer
    x = 278,678.65

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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.