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Finding the Fourth Proportional to 267,550.74, 401,006.25 and 203,876.24

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Solution

The fourth proportional to 267,550.74, 401,006.25 and 203,876.24 is: 305,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,550.74 : 401,006.25 = 203,876.24 : x
  2. Step 2: Convert to fraction form
    267,550.74/401,006.25 = 203,876.24/x
  3. Step 3: Cross multiply
    267,550.74x = 401,006.25 × 203,876.24
  4. Step 4: Simplify right side
    267,550.74x = 81,755,644,461.47
  5. Step 5: Solve for x
    x = 81,755,644,461.47/267,550.74
  6. Step 6: Final answer
    x = 305,570.62

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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.