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Finding the Fourth Proportional to 327.37, 491.06 and 110.95

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Solution

The fourth proportional to 327.37, 491.06 and 110.95 is: 166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.37 : 491.06 = 110.95 : x
  2. Step 2: Convert to fraction form
    327.37/491.06 = 110.95/x
  3. Step 3: Cross multiply
    327.37x = 491.06 × 110.95
  4. Step 4: Simplify right side
    327.37x = 54,483.11
  5. Step 5: Solve for x
    x = 54,483.11/327.37
  6. Step 6: Final answer
    x = 166.43

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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.