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Finding the Fourth Proportional to 375.92, 563.48 and 159.24

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Solution

The fourth proportional to 375.92, 563.48 and 159.24 is: 238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.92 : 563.48 = 159.24 : x
  2. Step 2: Convert to fraction form
    375.92/563.48 = 159.24/x
  3. Step 3: Cross multiply
    375.92x = 563.48 × 159.24
  4. Step 4: Simplify right side
    375.92x = 89,728.56
  5. Step 5: Solve for x
    x = 89,728.56/375.92
  6. Step 6: Final answer
    x = 238.69

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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.