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Finding the Fourth Proportional to 297.18, 445.46 and 175.24

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Solution

The fourth proportional to 297.18, 445.46 and 175.24 is: 262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.18 : 445.46 = 175.24 : x
  2. Step 2: Convert to fraction form
    297.18/445.46 = 175.24/x
  3. Step 3: Cross multiply
    297.18x = 445.46 × 175.24
  4. Step 4: Simplify right side
    297.18x = 78,062.41
  5. Step 5: Solve for x
    x = 78,062.41/297.18
  6. Step 6: Final answer
    x = 262.68

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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.