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Finding the Fourth Proportional to 297.34, 446.18 and 114.88

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Solution

The fourth proportional to 297.34, 446.18 and 114.88 is: 172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.34 : 446.18 = 114.88 : x
  2. Step 2: Convert to fraction form
    297.34/446.18 = 114.88/x
  3. Step 3: Cross multiply
    297.34x = 446.18 × 114.88
  4. Step 4: Simplify right side
    297.34x = 51,257.16
  5. Step 5: Solve for x
    x = 51,257.16/297.34
  6. Step 6: Final answer
    x = 172.39

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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.