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Finding the Fourth Proportional to 299.44, 449.15 and 116.96

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Solution

The fourth proportional to 299.44, 449.15 and 116.96 is: 175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.44 : 449.15 = 116.96 : x
  2. Step 2: Convert to fraction form
    299.44/449.15 = 116.96/x
  3. Step 3: Cross multiply
    299.44x = 449.15 × 116.96
  4. Step 4: Simplify right side
    299.44x = 52,530.34
  5. Step 5: Solve for x
    x = 52,530.34/299.44
  6. Step 6: Final answer
    x = 175.43

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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.