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Finding the Fourth Proportional to 363,691.10, 501,857.69 and 202,561.11

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Solution

The fourth proportional to 363,691.10, 501,857.69 and 202,561.11 is: 279,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,691.10 : 501,857.69 = 202,561.11 : x
  2. Step 2: Convert to fraction form
    363,691.10/501,857.69 = 202,561.11/x
  3. Step 3: Cross multiply
    363,691.10x = 501,857.69 × 202,561.11
  4. Step 4: Simplify right side
    363,691.10x = 101,656,849,735.63
  5. Step 5: Solve for x
    x = 101,656,849,735.63/363,691.10
  6. Step 6: Final answer
    x = 279,514.27

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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.