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Finding the Fourth Proportional to 375,791.96, 518,592.78 and 206,022.44

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Solution

The fourth proportional to 375,791.96, 518,592.78 and 206,022.44 is: 284,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,791.96 : 518,592.78 = 206,022.44 : x
  2. Step 2: Convert to fraction form
    375,791.96/518,592.78 = 206,022.44/x
  3. Step 3: Cross multiply
    375,791.96x = 518,592.78 × 206,022.44
  4. Step 4: Simplify right side
    375,791.96x = 106,841,749,901.98
  5. Step 5: Solve for x
    x = 106,841,749,901.98/375,791.96
  6. Step 6: Final answer
    x = 284,310.90

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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.