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Finding the Fourth Proportional to 496.76, 745.30 and 167.73

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Solution

The fourth proportional to 496.76, 745.30 and 167.73 is: 251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.76 : 745.30 = 167.73 : x
  2. Step 2: Convert to fraction form
    496.76/745.30 = 167.73/x
  3. Step 3: Cross multiply
    496.76x = 745.30 × 167.73
  4. Step 4: Simplify right side
    496.76x = 125,009.17
  5. Step 5: Solve for x
    x = 125,009.17/496.76
  6. Step 6: Final answer
    x = 251.65

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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.