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Finding the Fourth Proportional to 299.57, 449.48 and 175.97

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Solution

The fourth proportional to 299.57, 449.48 and 175.97 is: 264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.57 : 449.48 = 175.97 : x
  2. Step 2: Convert to fraction form
    299.57/449.48 = 175.97/x
  3. Step 3: Cross multiply
    299.57x = 449.48 × 175.97
  4. Step 4: Simplify right side
    299.57x = 79,096.56
  5. Step 5: Solve for x
    x = 79,096.56/299.57
  6. Step 6: Final answer
    x = 264.04

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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.