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Finding the Fourth Proportional to 308.53, 425.73 and 184.24

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Solution

The fourth proportional to 308.53, 425.73 and 184.24 is: 254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.53 : 425.73 = 184.24 : x
  2. Step 2: Convert to fraction form
    308.53/425.73 = 184.24/x
  3. Step 3: Cross multiply
    308.53x = 425.73 × 184.24
  4. Step 4: Simplify right side
    308.53x = 78,436.50
  5. Step 5: Solve for x
    x = 78,436.50/308.53
  6. Step 6: Final answer
    x = 254.23

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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.