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Finding the Fourth Proportional to 254.61, 351.56 and 184.84

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Solution

The fourth proportional to 254.61, 351.56 and 184.84 is: 255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.61 : 351.56 = 184.84 : x
  2. Step 2: Convert to fraction form
    254.61/351.56 = 184.84/x
  3. Step 3: Cross multiply
    254.61x = 351.56 × 184.84
  4. Step 4: Simplify right side
    254.61x = 64,982.35
  5. Step 5: Solve for x
    x = 64,982.35/254.61
  6. Step 6: Final answer
    x = 255.22

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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.