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Finding the Fourth Proportional to 264.57, 396.83 and 118.23

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Solution

The fourth proportional to 264.57, 396.83 and 118.23 is: 177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.57 : 396.83 = 118.23 : x
  2. Step 2: Convert to fraction form
    264.57/396.83 = 118.23/x
  3. Step 3: Cross multiply
    264.57x = 396.83 × 118.23
  4. Step 4: Simplify right side
    264.57x = 46,916.02
  5. Step 5: Solve for x
    x = 46,916.02/264.57
  6. Step 6: Final answer
    x = 177.33

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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.