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Finding the Fourth Proportional to 496.66, 744.90 and 167.74

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Solution

The fourth proportional to 496.66, 744.90 and 167.74 is: 251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.66 : 744.90 = 167.74 : x
  2. Step 2: Convert to fraction form
    496.66/744.90 = 167.74/x
  3. Step 3: Cross multiply
    496.66x = 744.90 × 167.74
  4. Step 4: Simplify right side
    496.66x = 124,949.53
  5. Step 5: Solve for x
    x = 124,949.53/496.66
  6. Step 6: Final answer
    x = 251.58

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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.