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Finding the Fourth Proportional to 371,687.61, 513,010.53 and 244,375.05

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Solution

The fourth proportional to 371,687.61, 513,010.53 and 244,375.05 is: 337,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,687.61 : 513,010.53 = 244,375.05 : x
  2. Step 2: Convert to fraction form
    371,687.61/513,010.53 = 244,375.05/x
  3. Step 3: Cross multiply
    371,687.61x = 513,010.53 × 244,375.05
  4. Step 4: Simplify right side
    371,687.61x = 125,366,973,919.28
  5. Step 5: Solve for x
    x = 125,366,973,919.28/371,687.61
  6. Step 6: Final answer
    x = 337,291.24

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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.