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Finding the Fourth Proportional to 376,003.26, 563,997.60 and 91,694.88

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Solution

The fourth proportional to 376,003.26, 563,997.60 and 91,694.88 is: 137,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,003.26 : 563,997.60 = 91,694.88 : x
  2. Step 2: Convert to fraction form
    376,003.26/563,997.60 = 91,694.88/x
  3. Step 3: Cross multiply
    376,003.26x = 563,997.60 × 91,694.88
  4. Step 4: Simplify right side
    376,003.26x = 51,715,692,252.29
  5. Step 5: Solve for x
    x = 51,715,692,252.29/376,003.26
  6. Step 6: Final answer
    x = 137,540.54

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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.