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Finding the Fourth Proportional to 263.19, 394.25 and 250.23

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Solution

The fourth proportional to 263.19, 394.25 and 250.23 is: 374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.19 : 394.25 = 250.23 : x
  2. Step 2: Convert to fraction form
    263.19/394.25 = 250.23/x
  3. Step 3: Cross multiply
    263.19x = 394.25 × 250.23
  4. Step 4: Simplify right side
    263.19x = 98,651.93
  5. Step 5: Solve for x
    x = 98,651.93/263.19
  6. Step 6: Final answer
    x = 374.83

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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.