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Finding the Fourth Proportional to 274.44, 411.88 and 183.32

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Solution

The fourth proportional to 274.44, 411.88 and 183.32 is: 275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.44 : 411.88 = 183.32 : x
  2. Step 2: Convert to fraction form
    274.44/411.88 = 183.32/x
  3. Step 3: Cross multiply
    274.44x = 411.88 × 183.32
  4. Step 4: Simplify right side
    274.44x = 75,505.84
  5. Step 5: Solve for x
    x = 75,505.84/274.44
  6. Step 6: Final answer
    x = 275.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.