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Finding the Fourth Proportional to 297.68, 446.49 and 175.79

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Solution

The fourth proportional to 297.68, 446.49 and 175.79 is: 263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.68 : 446.49 = 175.79 : x
  2. Step 2: Convert to fraction form
    297.68/446.49 = 175.79/x
  3. Step 3: Cross multiply
    297.68x = 446.49 × 175.79
  4. Step 4: Simplify right side
    297.68x = 78,489.59
  5. Step 5: Solve for x
    x = 78,489.59/297.68
  6. Step 6: Final answer
    x = 263.68

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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.