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Finding the Fourth Proportional to 274.24, 378.23 and 232.93

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Solution

The fourth proportional to 274.24, 378.23 and 232.93 is: 321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.24 : 378.23 = 232.93 : x
  2. Step 2: Convert to fraction form
    274.24/378.23 = 232.93/x
  3. Step 3: Cross multiply
    274.24x = 378.23 × 232.93
  4. Step 4: Simplify right side
    274.24x = 88,101.11
  5. Step 5: Solve for x
    x = 88,101.11/274.24
  6. Step 6: Final answer
    x = 321.26

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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.