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Finding the Fourth Proportional to 244.77, 336.31 and 234.03

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Solution

The fourth proportional to 244.77, 336.31 and 234.03 is: 321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.77 : 336.31 = 234.03 : x
  2. Step 2: Convert to fraction form
    244.77/336.31 = 234.03/x
  3. Step 3: Cross multiply
    244.77x = 336.31 × 234.03
  4. Step 4: Simplify right side
    244.77x = 78,707.31
  5. Step 5: Solve for x
    x = 78,707.31/244.77
  6. Step 6: Final answer
    x = 321.56

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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.