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Finding the Fourth Proportional to 264.66, 396.98 and 118.37

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Solution

The fourth proportional to 264.66, 396.98 and 118.37 is: 177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.66 : 396.98 = 118.37 : x
  2. Step 2: Convert to fraction form
    264.66/396.98 = 118.37/x
  3. Step 3: Cross multiply
    264.66x = 396.98 × 118.37
  4. Step 4: Simplify right side
    264.66x = 46,991.37
  5. Step 5: Solve for x
    x = 46,991.37/264.66
  6. Step 6: Final answer
    x = 177.56

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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.