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Finding the Fourth Proportional to 240.08, 359.48 and 174.88

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Solution

The fourth proportional to 240.08, 359.48 and 174.88 is: 261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.08 : 359.48 = 174.88 : x
  2. Step 2: Convert to fraction form
    240.08/359.48 = 174.88/x
  3. Step 3: Cross multiply
    240.08x = 359.48 × 174.88
  4. Step 4: Simplify right side
    240.08x = 62,865.86
  5. Step 5: Solve for x
    x = 62,865.86/240.08
  6. Step 6: Final answer
    x = 261.85

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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.