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Finding the Fourth Proportional to 494.24, 741.56 and 234.08

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Solution

The fourth proportional to 494.24, 741.56 and 234.08 is: 351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.24 : 741.56 = 234.08 : x
  2. Step 2: Convert to fraction form
    494.24/741.56 = 234.08/x
  3. Step 3: Cross multiply
    494.24x = 741.56 × 234.08
  4. Step 4: Simplify right side
    494.24x = 173,584.36
  5. Step 5: Solve for x
    x = 173,584.36/494.24
  6. Step 6: Final answer
    x = 351.21

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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.