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Finding the Fourth Proportional to 308.33, 462.56 and 116.09

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Solution

The fourth proportional to 308.33, 462.56 and 116.09 is: 174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.33 : 462.56 = 116.09 : x
  2. Step 2: Convert to fraction form
    308.33/462.56 = 116.09/x
  3. Step 3: Cross multiply
    308.33x = 462.56 × 116.09
  4. Step 4: Simplify right side
    308.33x = 53,698.01
  5. Step 5: Solve for x
    x = 53,698.01/308.33
  6. Step 6: Final answer
    x = 174.16

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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.