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Finding the Fourth Proportional to 493.96, 741.03 and 169.36

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Solution

The fourth proportional to 493.96, 741.03 and 169.36 is: 254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.96 : 741.03 = 169.36 : x
  2. Step 2: Convert to fraction form
    493.96/741.03 = 169.36/x
  3. Step 3: Cross multiply
    493.96x = 741.03 × 169.36
  4. Step 4: Simplify right side
    493.96x = 125,500.84
  5. Step 5: Solve for x
    x = 125,500.84/493.96
  6. Step 6: Final answer
    x = 254.07

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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.