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Finding the Fourth Proportional to 304.50, 456.04 and 167.56

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Solution

The fourth proportional to 304.50, 456.04 and 167.56 is: 250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.50 : 456.04 = 167.56 : x
  2. Step 2: Convert to fraction form
    304.50/456.04 = 167.56/x
  3. Step 3: Cross multiply
    304.50x = 456.04 × 167.56
  4. Step 4: Simplify right side
    304.50x = 76,412.50
  5. Step 5: Solve for x
    x = 76,412.50/304.50
  6. Step 6: Final answer
    x = 250.94

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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.