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Finding the Fourth Proportional to 494.22, 741 and 262.95

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Solution

The fourth proportional to 494.22, 741 and 262.95 is: 394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.22 : 741 = 262.95 : x
  2. Step 2: Convert to fraction form
    494.22/741 = 262.95/x
  3. Step 3: Cross multiply
    494.22x = 741 × 262.95
  4. Step 4: Simplify right side
    494.22x = 194,845.95
  5. Step 5: Solve for x
    x = 194,845.95/494.22
  6. Step 6: Final answer
    x = 394.25

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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.