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Finding the Fourth Proportional to 274.24, 409.55 and 244

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Solution

The fourth proportional to 274.24, 409.55 and 244 is: 364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.24 : 409.55 = 244 : x
  2. Step 2: Convert to fraction form
    274.24/409.55 = 244/x
  3. Step 3: Cross multiply
    274.24x = 409.55 × 244
  4. Step 4: Simplify right side
    274.24x = 99,930.20
  5. Step 5: Solve for x
    x = 99,930.20/274.24
  6. Step 6: Final answer
    x = 364.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.