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Finding the Fourth Proportional to 300.92, 451.46 and 224.79

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Solution

The fourth proportional to 300.92, 451.46 and 224.79 is: 337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.92 : 451.46 = 224.79 : x
  2. Step 2: Convert to fraction form
    300.92/451.46 = 224.79/x
  3. Step 3: Cross multiply
    300.92x = 451.46 × 224.79
  4. Step 4: Simplify right side
    300.92x = 101,482.57
  5. Step 5: Solve for x
    x = 101,482.57/300.92
  6. Step 6: Final answer
    x = 337.24

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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.