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Finding the Fourth Proportional to 544.50, 816.90 and 179.28

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Solution

The fourth proportional to 544.50, 816.90 and 179.28 is: 268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.50 : 816.90 = 179.28 : x
  2. Step 2: Convert to fraction form
    544.50/816.90 = 179.28/x
  3. Step 3: Cross multiply
    544.50x = 816.90 × 179.28
  4. Step 4: Simplify right side
    544.50x = 146,453.83
  5. Step 5: Solve for x
    x = 146,453.83/544.50
  6. Step 6: Final answer
    x = 268.97

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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.