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Finding the Fourth Proportional to 274.96, 377.06 and 247.24

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Solution

The fourth proportional to 274.96, 377.06 and 247.24 is: 339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.96 : 377.06 = 247.24 : x
  2. Step 2: Convert to fraction form
    274.96/377.06 = 247.24/x
  3. Step 3: Cross multiply
    274.96x = 377.06 × 247.24
  4. Step 4: Simplify right side
    274.96x = 93,223.55
  5. Step 5: Solve for x
    x = 93,223.55/274.96
  6. Step 6: Final answer
    x = 339.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.