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Finding the Fourth Proportional to 264.44, 396.66 and 187.48

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Solution

The fourth proportional to 264.44, 396.66 and 187.48 is: 281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.44 : 396.66 = 187.48 : x
  2. Step 2: Convert to fraction form
    264.44/396.66 = 187.48/x
  3. Step 3: Cross multiply
    264.44x = 396.66 × 187.48
  4. Step 4: Simplify right side
    264.44x = 74,365.82
  5. Step 5: Solve for x
    x = 74,365.82/264.44
  6. Step 6: Final answer
    x = 281.22

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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.