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Finding the Fourth Proportional to 249.55, 374.11 and 176.46

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Solution

The fourth proportional to 249.55, 374.11 and 176.46 is: 264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.55 : 374.11 = 176.46 : x
  2. Step 2: Convert to fraction form
    249.55/374.11 = 176.46/x
  3. Step 3: Cross multiply
    249.55x = 374.11 × 176.46
  4. Step 4: Simplify right side
    249.55x = 66,015.45
  5. Step 5: Solve for x
    x = 66,015.45/249.55
  6. Step 6: Final answer
    x = 264.54

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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.