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Finding the Fourth Proportional to 258.51, 356.49 and 184.68

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Solution

The fourth proportional to 258.51, 356.49 and 184.68 is: 254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258.51 : 356.49 = 184.68 : x
  2. Step 2: Convert to fraction form
    258.51/356.49 = 184.68/x
  3. Step 3: Cross multiply
    258.51x = 356.49 × 184.68
  4. Step 4: Simplify right side
    258.51x = 65,836.57
  5. Step 5: Solve for x
    x = 65,836.57/258.51
  6. Step 6: Final answer
    x = 254.68

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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.