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Finding the Fourth Proportional to 254.67, 351.47 and 184.95

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Solution

The fourth proportional to 254.67, 351.47 and 184.95 is: 255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.67 : 351.47 = 184.95 : x
  2. Step 2: Convert to fraction form
    254.67/351.47 = 184.95/x
  3. Step 3: Cross multiply
    254.67x = 351.47 × 184.95
  4. Step 4: Simplify right side
    254.67x = 65,004.38
  5. Step 5: Solve for x
    x = 65,004.38/254.67
  6. Step 6: Final answer
    x = 255.25

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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.