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Finding the Fourth Proportional to 544.17, 816.24 and 231.83

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Solution

The fourth proportional to 544.17, 816.24 and 231.83 is: 347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.17 : 816.24 = 231.83 : x
  2. Step 2: Convert to fraction form
    544.17/816.24 = 231.83/x
  3. Step 3: Cross multiply
    544.17x = 816.24 × 231.83
  4. Step 4: Simplify right side
    544.17x = 189,230.96
  5. Step 5: Solve for x
    x = 189,230.96/544.17
  6. Step 6: Final answer
    x = 347.74

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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.