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Finding the Fourth Proportional to 272.84, 376.61 and 174.83

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Solution

The fourth proportional to 272.84, 376.61 and 174.83 is: 241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.84 : 376.61 = 174.83 : x
  2. Step 2: Convert to fraction form
    272.84/376.61 = 174.83/x
  3. Step 3: Cross multiply
    272.84x = 376.61 × 174.83
  4. Step 4: Simplify right side
    272.84x = 65,839.97
  5. Step 5: Solve for x
    x = 65,839.97/272.84
  6. Step 6: Final answer
    x = 241.32

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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.