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Finding the Fourth Proportional to 304.77, 456.81 and 167.74

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Solution

The fourth proportional to 304.77, 456.81 and 167.74 is: 251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.77 : 456.81 = 167.74 : x
  2. Step 2: Convert to fraction form
    304.77/456.81 = 167.74/x
  3. Step 3: Cross multiply
    304.77x = 456.81 × 167.74
  4. Step 4: Simplify right side
    304.77x = 76,625.31
  5. Step 5: Solve for x
    x = 76,625.31/304.77
  6. Step 6: Final answer
    x = 251.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.