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Finding the Fourth Proportional to 335.38, 462.82 and 186.01

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Solution

The fourth proportional to 335.38, 462.82 and 186.01 is: 256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.38 : 462.82 = 186.01 : x
  2. Step 2: Convert to fraction form
    335.38/462.82 = 186.01/x
  3. Step 3: Cross multiply
    335.38x = 462.82 × 186.01
  4. Step 4: Simplify right side
    335.38x = 86,089.15
  5. Step 5: Solve for x
    x = 86,089.15/335.38
  6. Step 6: Final answer
    x = 256.69

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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.