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Finding the Fourth Proportional to 1,550.75, 2,326.11 and 563.56

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Solution

The fourth proportional to 1,550.75, 2,326.11 and 563.56 is: 845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.75 : 2,326.11 = 563.56 : x
  2. Step 2: Convert to fraction form
    1,550.75/2,326.11 = 563.56/x
  3. Step 3: Cross multiply
    1,550.75x = 2,326.11 × 563.56
  4. Step 4: Simplify right side
    1,550.75x = 1,310,896.74
  5. Step 5: Solve for x
    x = 1,310,896.74/1,550.75
  6. Step 6: Final answer
    x = 845.33

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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.