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Finding the Fourth Proportional to 270.33, 373.20 and 191.71

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Solution

The fourth proportional to 270.33, 373.20 and 191.71 is: 264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.33 : 373.20 = 191.71 : x
  2. Step 2: Convert to fraction form
    270.33/373.20 = 191.71/x
  3. Step 3: Cross multiply
    270.33x = 373.20 × 191.71
  4. Step 4: Simplify right side
    270.33x = 71,546.17
  5. Step 5: Solve for x
    x = 71,546.17/270.33
  6. Step 6: Final answer
    x = 264.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.