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Finding the Fourth Proportional to 474.59, 711.92 and 182.23

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Solution

The fourth proportional to 474.59, 711.92 and 182.23 is: 273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.59 : 711.92 = 182.23 : x
  2. Step 2: Convert to fraction form
    474.59/711.92 = 182.23/x
  3. Step 3: Cross multiply
    474.59x = 711.92 × 182.23
  4. Step 4: Simplify right side
    474.59x = 129,734.53
  5. Step 5: Solve for x
    x = 129,734.53/474.59
  6. Step 6: Final answer
    x = 273.36

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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.