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Finding the Fourth Proportional to 373.26, 558.48 and 251.10

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Solution

The fourth proportional to 373.26, 558.48 and 251.10 is: 375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.26 : 558.48 = 251.10 : x
  2. Step 2: Convert to fraction form
    373.26/558.48 = 251.10/x
  3. Step 3: Cross multiply
    373.26x = 558.48 × 251.10
  4. Step 4: Simplify right side
    373.26x = 140,234.33
  5. Step 5: Solve for x
    x = 140,234.33/373.26
  6. Step 6: Final answer
    x = 375.70

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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.