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Finding the Fourth Proportional to 363,062.47, 500,987.82 and 201,891.52

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Solution

The fourth proportional to 363,062.47, 500,987.82 and 201,891.52 is: 278,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,062.47 : 500,987.82 = 201,891.52 : x
  2. Step 2: Convert to fraction form
    363,062.47/500,987.82 = 201,891.52/x
  3. Step 3: Cross multiply
    363,062.47x = 500,987.82 × 201,891.52
  4. Step 4: Simplify right side
    363,062.47x = 101,145,192,481.29
  5. Step 5: Solve for x
    x = 101,145,192,481.29/363,062.47
  6. Step 6: Final answer
    x = 278,588.95

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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.