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Finding the Fourth Proportional to 491.96, 737.92 and 167.33

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Solution

The fourth proportional to 491.96, 737.92 and 167.33 is: 250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.96 : 737.92 = 167.33 : x
  2. Step 2: Convert to fraction form
    491.96/737.92 = 167.33/x
  3. Step 3: Cross multiply
    491.96x = 737.92 × 167.33
  4. Step 4: Simplify right side
    491.96x = 123,478.21
  5. Step 5: Solve for x
    x = 123,478.21/491.96
  6. Step 6: Final answer
    x = 250.99

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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.