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Finding the Fourth Proportional to 297.84, 446.58 and 169.56

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Solution

The fourth proportional to 297.84, 446.58 and 169.56 is: 254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.84 : 446.58 = 169.56 : x
  2. Step 2: Convert to fraction form
    297.84/446.58 = 169.56/x
  3. Step 3: Cross multiply
    297.84x = 446.58 × 169.56
  4. Step 4: Simplify right side
    297.84x = 75,722.10
  5. Step 5: Solve for x
    x = 75,722.10/297.84
  6. Step 6: Final answer
    x = 254.24

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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.