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Finding the Fourth Proportional to 335.21, 462.59 and 195.34

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Solution

The fourth proportional to 335.21, 462.59 and 195.34 is: 269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.21 : 462.59 = 195.34 : x
  2. Step 2: Convert to fraction form
    335.21/462.59 = 195.34/x
  3. Step 3: Cross multiply
    335.21x = 462.59 × 195.34
  4. Step 4: Simplify right side
    335.21x = 90,360.20
  5. Step 5: Solve for x
    x = 90,360.20/335.21
  6. Step 6: Final answer
    x = 269.57

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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.