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Finding the Fourth Proportional to 258.27, 356.25 and 184.46

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Solution

The fourth proportional to 258.27, 356.25 and 184.46 is: 254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258.27 : 356.25 = 184.46 : x
  2. Step 2: Convert to fraction form
    258.27/356.25 = 184.46/x
  3. Step 3: Cross multiply
    258.27x = 356.25 × 184.46
  4. Step 4: Simplify right side
    258.27x = 65,714.12
  5. Step 5: Solve for x
    x = 65,714.12/258.27
  6. Step 6: Final answer
    x = 254.44

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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.