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Finding the Fourth Proportional to 324.26, 485.68 and 233.14

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Solution

The fourth proportional to 324.26, 485.68 and 233.14 is: 349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.26 : 485.68 = 233.14 : x
  2. Step 2: Convert to fraction form
    324.26/485.68 = 233.14/x
  3. Step 3: Cross multiply
    324.26x = 485.68 × 233.14
  4. Step 4: Simplify right side
    324.26x = 113,227.84
  5. Step 5: Solve for x
    x = 113,227.84/324.26
  6. Step 6: Final answer
    x = 349.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.