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Finding the Fourth Proportional to 2,230.49, 3,344.81 and 843.59

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Solution

The fourth proportional to 2,230.49, 3,344.81 and 843.59 is: 1,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.49 : 3,344.81 = 843.59 : x
  2. Step 2: Convert to fraction form
    2,230.49/3,344.81 = 843.59/x
  3. Step 3: Cross multiply
    2,230.49x = 3,344.81 × 843.59
  4. Step 4: Simplify right side
    2,230.49x = 2,821,627.33
  5. Step 5: Solve for x
    x = 2,821,627.33/2,230.49
  6. Step 6: Final answer
    x = 1,265.03

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1.5x scale

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.