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Finding the Fourth Proportional to 474.92, 712.45 and 166.69

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Solution

The fourth proportional to 474.92, 712.45 and 166.69 is: 250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.92 : 712.45 = 166.69 : x
  2. Step 2: Convert to fraction form
    474.92/712.45 = 166.69/x
  3. Step 3: Cross multiply
    474.92x = 712.45 × 166.69
  4. Step 4: Simplify right side
    474.92x = 118,754.73
  5. Step 5: Solve for x
    x = 118,754.73/474.92
  6. Step 6: Final answer
    x = 250.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.