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Finding the Fourth Proportional to 297.57, 446.85 and 224.45

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Solution

The fourth proportional to 297.57, 446.85 and 224.45 is: 337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.57 : 446.85 = 224.45 : x
  2. Step 2: Convert to fraction form
    297.57/446.85 = 224.45/x
  3. Step 3: Cross multiply
    297.57x = 446.85 × 224.45
  4. Step 4: Simplify right side
    297.57x = 100,295.48
  5. Step 5: Solve for x
    x = 100,295.48/297.57
  6. Step 6: Final answer
    x = 337.05

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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.