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Finding the Fourth Proportional to 265.18, 396.96 and 195.62

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Solution

The fourth proportional to 265.18, 396.96 and 195.62 is: 292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.18 : 396.96 = 195.62 : x
  2. Step 2: Convert to fraction form
    265.18/396.96 = 195.62/x
  3. Step 3: Cross multiply
    265.18x = 396.96 × 195.62
  4. Step 4: Simplify right side
    265.18x = 77,653.32
  5. Step 5: Solve for x
    x = 77,653.32/265.18
  6. Step 6: Final answer
    x = 292.83

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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.