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Finding the Fourth Proportional to 304.23, 456.65 and 167.34

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Solution

The fourth proportional to 304.23, 456.65 and 167.34 is: 251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.23 : 456.65 = 167.34 : x
  2. Step 2: Convert to fraction form
    304.23/456.65 = 167.34/x
  3. Step 3: Cross multiply
    304.23x = 456.65 × 167.34
  4. Step 4: Simplify right side
    304.23x = 76,415.81
  5. Step 5: Solve for x
    x = 76,415.81/304.23
  6. Step 6: Final answer
    x = 251.18

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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.