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Finding the Fourth Proportional to 373.24, 558.48 and 227.04

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Solution

The fourth proportional to 373.24, 558.48 and 227.04 is: 339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.24 : 558.48 = 227.04 : x
  2. Step 2: Convert to fraction form
    373.24/558.48 = 227.04/x
  3. Step 3: Cross multiply
    373.24x = 558.48 × 227.04
  4. Step 4: Simplify right side
    373.24x = 126,797.30
  5. Step 5: Solve for x
    x = 126,797.30/373.24
  6. Step 6: Final answer
    x = 339.72

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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.