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Finding the Fourth Proportional to 1,366.25, 2,049.50 and 544.33

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Solution

The fourth proportional to 1,366.25, 2,049.50 and 544.33 is: 816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.25 : 2,049.50 = 544.33 : x
  2. Step 2: Convert to fraction form
    1,366.25/2,049.50 = 544.33/x
  3. Step 3: Cross multiply
    1,366.25x = 2,049.50 × 544.33
  4. Step 4: Simplify right side
    1,366.25x = 1,115,596.49
  5. Step 5: Solve for x
    x = 1,115,596.49/1,366.25
  6. Step 6: Final answer
    x = 816.54

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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.