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Finding the Fourth Proportional to 335.39, 462.15 and 323.24

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Solution

The fourth proportional to 335.39, 462.15 and 323.24 is: 445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.39 : 462.15 = 323.24 : x
  2. Step 2: Convert to fraction form
    335.39/462.15 = 323.24/x
  3. Step 3: Cross multiply
    335.39x = 462.15 × 323.24
  4. Step 4: Simplify right side
    335.39x = 149,383.06
  5. Step 5: Solve for x
    x = 149,383.06/335.39
  6. Step 6: Final answer
    x = 445.41

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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.