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Finding the Fourth Proportional to 304.92, 456.97 and 167.67

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Solution

The fourth proportional to 304.92, 456.97 and 167.67 is: 251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.92 : 456.97 = 167.67 : x
  2. Step 2: Convert to fraction form
    304.92/456.97 = 167.67/x
  3. Step 3: Cross multiply
    304.92x = 456.97 × 167.67
  4. Step 4: Simplify right side
    304.92x = 76,620.16
  5. Step 5: Solve for x
    x = 76,620.16/304.92
  6. Step 6: Final answer
    x = 251.28

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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.