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Finding the Fourth Proportional to 394.83, 544.77 and 237.41

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Solution

The fourth proportional to 394.83, 544.77 and 237.41 is: 327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.83 : 544.77 = 237.41 : x
  2. Step 2: Convert to fraction form
    394.83/544.77 = 237.41/x
  3. Step 3: Cross multiply
    394.83x = 544.77 × 237.41
  4. Step 4: Simplify right side
    394.83x = 129,331.12
  5. Step 5: Solve for x
    x = 129,331.12/394.83
  6. Step 6: Final answer
    x = 327.56

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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.