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Finding the Fourth Proportional to 335.35, 462.71 and 187.95

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Solution

The fourth proportional to 335.35, 462.71 and 187.95 is: 259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.35 : 462.71 = 187.95 : x
  2. Step 2: Convert to fraction form
    335.35/462.71 = 187.95/x
  3. Step 3: Cross multiply
    335.35x = 462.71 × 187.95
  4. Step 4: Simplify right side
    335.35x = 86,965.40
  5. Step 5: Solve for x
    x = 86,965.40/335.35
  6. Step 6: Final answer
    x = 259.33

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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.