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Finding the Fourth Proportional to 1,366.73, 2,048.28 and 544.55

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Solution

The fourth proportional to 1,366.73, 2,048.28 and 544.55 is: 816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.73 : 2,048.28 = 544.55 : x
  2. Step 2: Convert to fraction form
    1,366.73/2,048.28 = 544.55/x
  3. Step 3: Cross multiply
    1,366.73x = 2,048.28 × 544.55
  4. Step 4: Simplify right side
    1,366.73x = 1,115,383.03
  5. Step 5: Solve for x
    x = 1,115,383.03/1,366.73
  6. Step 6: Final answer
    x = 816.10

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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.