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Finding the Fourth Proportional to 335.01, 462.32 and 187.66

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Solution

The fourth proportional to 335.01, 462.32 and 187.66 is: 258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.01 : 462.32 = 187.66 : x
  2. Step 2: Convert to fraction form
    335.01/462.32 = 187.66/x
  3. Step 3: Cross multiply
    335.01x = 462.32 × 187.66
  4. Step 4: Simplify right side
    335.01x = 86,758.97
  5. Step 5: Solve for x
    x = 86,758.97/335.01
  6. Step 6: Final answer
    x = 258.97

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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.