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Finding the Fourth Proportional to 274.24, 411 and 150.84

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Solution

The fourth proportional to 274.24, 411 and 150.84 is: 226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.24 : 411 = 150.84 : x
  2. Step 2: Convert to fraction form
    274.24/411 = 150.84/x
  3. Step 3: Cross multiply
    274.24x = 411 × 150.84
  4. Step 4: Simplify right side
    274.24x = 61,995.24
  5. Step 5: Solve for x
    x = 61,995.24/274.24
  6. Step 6: Final answer
    x = 226.06

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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.