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Finding the Fourth Proportional to 371,714.45, 557,750.21 and 203,227.97

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Solution

The fourth proportional to 371,714.45, 557,750.21 and 203,227.97 is: 304,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,714.45 : 557,750.21 = 203,227.97 : x
  2. Step 2: Convert to fraction form
    371,714.45/557,750.21 = 203,227.97/x
  3. Step 3: Cross multiply
    371,714.45x = 557,750.21 × 203,227.97
  4. Step 4: Simplify right side
    371,714.45x = 113,350,439,140.48
  5. Step 5: Solve for x
    x = 113,350,439,140.48/371,714.45
  6. Step 6: Final answer
    x = 304,939.56

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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.