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Finding the Fourth Proportional to 363,015.88, 500,974.12 and 199,679.33

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Solution

The fourth proportional to 363,015.88, 500,974.12 and 199,679.33 is: 275,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,015.88 : 500,974.12 = 199,679.33 : x
  2. Step 2: Convert to fraction form
    363,015.88/500,974.12 = 199,679.33/x
  3. Step 3: Cross multiply
    363,015.88x = 500,974.12 × 199,679.33
  4. Step 4: Simplify right side
    363,015.88x = 100,034,174,189.80
  5. Step 5: Solve for x
    x = 100,034,174,189.80/363,015.88
  6. Step 6: Final answer
    x = 275,564.18

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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.