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Finding the Fourth Proportional to 335.53, 462.98 and 195.62

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Solution

The fourth proportional to 335.53, 462.98 and 195.62 is: 269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.53 : 462.98 = 195.62 : x
  2. Step 2: Convert to fraction form
    335.53/462.98 = 195.62/x
  3. Step 3: Cross multiply
    335.53x = 462.98 × 195.62
  4. Step 4: Simplify right side
    335.53x = 90,568.15
  5. Step 5: Solve for x
    x = 90,568.15/335.53
  6. Step 6: Final answer
    x = 269.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.