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Finding the Fourth Proportional to 308.07, 425.04 and 177.06

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Solution

The fourth proportional to 308.07, 425.04 and 177.06 is: 244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.07 : 425.04 = 177.06 : x
  2. Step 2: Convert to fraction form
    308.07/425.04 = 177.06/x
  3. Step 3: Cross multiply
    308.07x = 425.04 × 177.06
  4. Step 4: Simplify right side
    308.07x = 75,257.58
  5. Step 5: Solve for x
    x = 75,257.58/308.07
  6. Step 6: Final answer
    x = 244.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.