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Finding the Fourth Proportional to 2,263.93, 3,395.77 and 620.44

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Solution

The fourth proportional to 2,263.93, 3,395.77 and 620.44 is: 930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.93 : 3,395.77 = 620.44 : x
  2. Step 2: Convert to fraction form
    2,263.93/3,395.77 = 620.44/x
  3. Step 3: Cross multiply
    2,263.93x = 3,395.77 × 620.44
  4. Step 4: Simplify right side
    2,263.93x = 2,106,871.54
  5. Step 5: Solve for x
    x = 2,106,871.54/2,263.93
  6. Step 6: Final answer
    x = 930.63

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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.