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Finding the Fourth Proportional to 376.08, 563.96 and 159.44

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Solution

The fourth proportional to 376.08, 563.96 and 159.44 is: 239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.08 : 563.96 = 159.44 : x
  2. Step 2: Convert to fraction form
    376.08/563.96 = 159.44/x
  3. Step 3: Cross multiply
    376.08x = 563.96 × 159.44
  4. Step 4: Simplify right side
    376.08x = 89,917.78
  5. Step 5: Solve for x
    x = 89,917.78/376.08
  6. Step 6: Final answer
    x = 239.09

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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.