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Finding the Fourth Proportional to 267,553.74, 401,010.75 and 203,879.24

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Solution

The fourth proportional to 267,553.74, 401,010.75 and 203,879.24 is: 305,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,553.74 : 401,010.75 = 203,879.24 : x
  2. Step 2: Convert to fraction form
    267,553.74/401,010.75 = 203,879.24/x
  3. Step 3: Cross multiply
    267,553.74x = 401,010.75 × 203,879.24
  4. Step 4: Simplify right side
    267,553.74x = 81,757,764,936.78
  5. Step 5: Solve for x
    x = 81,757,764,936.78/267,553.74
  6. Step 6: Final answer
    x = 305,575.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.