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Finding the Fourth Proportional to 373,805.76, 515,672.32 and 244,687.30

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Solution

The fourth proportional to 373,805.76, 515,672.32 and 244,687.30 is: 337,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,805.76 : 515,672.32 = 244,687.30 : x
  2. Step 2: Convert to fraction form
    373,805.76/515,672.32 = 244,687.30/x
  3. Step 3: Cross multiply
    373,805.76x = 515,672.32 × 244,687.30
  4. Step 4: Simplify right side
    373,805.76x = 126,178,467,665.54
  5. Step 5: Solve for x
    x = 126,178,467,665.54/373,805.76
  6. Step 6: Final answer
    x = 337,550.89

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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.