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Finding the Fourth Proportional to 237.96, 328.56 and 191.88

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Solution

The fourth proportional to 237.96, 328.56 and 191.88 is: 264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.96 : 328.56 = 191.88 : x
  2. Step 2: Convert to fraction form
    237.96/328.56 = 191.88/x
  3. Step 3: Cross multiply
    237.96x = 328.56 × 191.88
  4. Step 4: Simplify right side
    237.96x = 63,044.09
  5. Step 5: Solve for x
    x = 63,044.09/237.96
  6. Step 6: Final answer
    x = 264.94

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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.