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Finding the Fourth Proportional to 373.46, 515.24 and 226.04

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Solution

The fourth proportional to 373.46, 515.24 and 226.04 is: 311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.46 : 515.24 = 226.04 : x
  2. Step 2: Convert to fraction form
    373.46/515.24 = 226.04/x
  3. Step 3: Cross multiply
    373.46x = 515.24 × 226.04
  4. Step 4: Simplify right side
    373.46x = 116,466.70
  5. Step 5: Solve for x
    x = 116,466.70/373.46
  6. Step 6: Final answer
    x = 311.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.