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Finding the Fourth Proportional to 267.66, 368.52 and 243.36

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Solution

The fourth proportional to 267.66, 368.52 and 243.36 is: 335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.66 : 368.52 = 243.36 : x
  2. Step 2: Convert to fraction form
    267.66/368.52 = 243.36/x
  3. Step 3: Cross multiply
    267.66x = 368.52 × 243.36
  4. Step 4: Simplify right side
    267.66x = 89,683.03
  5. Step 5: Solve for x
    x = 89,683.03/267.66
  6. Step 6: Final answer
    x = 335.06

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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.