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Finding the Fourth Proportional to 251.48, 377.04 and 174.44

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Solution

The fourth proportional to 251.48, 377.04 and 174.44 is: 261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.48 : 377.04 = 174.44 : x
  2. Step 2: Convert to fraction form
    251.48/377.04 = 174.44/x
  3. Step 3: Cross multiply
    251.48x = 377.04 × 174.44
  4. Step 4: Simplify right side
    251.48x = 65,770.86
  5. Step 5: Solve for x
    x = 65,770.86/251.48
  6. Step 6: Final answer
    x = 261.54

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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.