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Finding the Fourth Proportional to 335.32, 462.74 and 187.96

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Solution

The fourth proportional to 335.32, 462.74 and 187.96 is: 259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.32 : 462.74 = 187.96 : x
  2. Step 2: Convert to fraction form
    335.32/462.74 = 187.96/x
  3. Step 3: Cross multiply
    335.32x = 462.74 × 187.96
  4. Step 4: Simplify right side
    335.32x = 86,977.21
  5. Step 5: Solve for x
    x = 86,977.21/335.32
  6. Step 6: Final answer
    x = 259.38

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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.