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Finding the Fourth Proportional to 375.24, 563.04 and 158.88

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Solution

The fourth proportional to 375.24, 563.04 and 158.88 is: 238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.24 : 563.04 = 158.88 : x
  2. Step 2: Convert to fraction form
    375.24/563.04 = 158.88/x
  3. Step 3: Cross multiply
    375.24x = 563.04 × 158.88
  4. Step 4: Simplify right side
    375.24x = 89,455.80
  5. Step 5: Solve for x
    x = 89,455.80/375.24
  6. Step 6: Final answer
    x = 238.40

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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.