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Finding the Fourth Proportional to 1,843.17, 2,763.87 and 544.38

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Solution

The fourth proportional to 1,843.17, 2,763.87 and 544.38 is: 816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.17 : 2,763.87 = 544.38 : x
  2. Step 2: Convert to fraction form
    1,843.17/2,763.87 = 544.38/x
  3. Step 3: Cross multiply
    1,843.17x = 2,763.87 × 544.38
  4. Step 4: Simplify right side
    1,843.17x = 1,504,595.55
  5. Step 5: Solve for x
    x = 1,504,595.55/1,843.17
  6. Step 6: Final answer
    x = 816.31

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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.