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Finding the Fourth Proportional to 297.59, 445.51 and 224.76

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Solution

The fourth proportional to 297.59, 445.51 and 224.76 is: 336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.59 : 445.51 = 224.76 : x
  2. Step 2: Convert to fraction form
    297.59/445.51 = 224.76/x
  3. Step 3: Cross multiply
    297.59x = 445.51 × 224.76
  4. Step 4: Simplify right side
    297.59x = 100,132.83
  5. Step 5: Solve for x
    x = 100,132.83/297.59
  6. Step 6: Final answer
    x = 336.48

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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.