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Finding the Fourth Proportional to 335.04, 462.48 and 231.68

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Solution

The fourth proportional to 335.04, 462.48 and 231.68 is: 319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 462.48 = 231.68 : x
  2. Step 2: Convert to fraction form
    335.04/462.48 = 231.68/x
  3. Step 3: Cross multiply
    335.04x = 462.48 × 231.68
  4. Step 4: Simplify right side
    335.04x = 107,147.37
  5. Step 5: Solve for x
    x = 107,147.37/335.04
  6. Step 6: Final answer
    x = 319.80

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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.