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Finding the Fourth Proportional to 495.85, 743.52 and 166.67

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Solution

The fourth proportional to 495.85, 743.52 and 166.67 is: 249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.85 : 743.52 = 166.67 : x
  2. Step 2: Convert to fraction form
    495.85/743.52 = 166.67/x
  3. Step 3: Cross multiply
    495.85x = 743.52 × 166.67
  4. Step 4: Simplify right side
    495.85x = 123,922.48
  5. Step 5: Solve for x
    x = 123,922.48/495.85
  6. Step 6: Final answer
    x = 249.92

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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.