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Finding the Fourth Proportional to 304.44, 456.25 and 167.28

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Solution

The fourth proportional to 304.44, 456.25 and 167.28 is: 250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.44 : 456.25 = 167.28 : x
  2. Step 2: Convert to fraction form
    304.44/456.25 = 167.28/x
  3. Step 3: Cross multiply
    304.44x = 456.25 × 167.28
  4. Step 4: Simplify right side
    304.44x = 76,321.50
  5. Step 5: Solve for x
    x = 76,321.50/304.44
  6. Step 6: Final answer
    x = 250.69

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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.