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Finding the Fourth Proportional to 2,212,673.80, 3,313,761.90 and 2,212,673.80

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Solution

The fourth proportional to 2,212,673.80, 3,313,761.90 and 2,212,673.80 is: 3,313,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,673.80 : 3,313,761.90 = 2,212,673.80 : x
  2. Step 2: Convert to fraction form
    2,212,673.80/3,313,761.90 = 2,212,673.80/x
  3. Step 3: Cross multiply
    2,212,673.80x = 3,313,761.90 × 2,212,673.80
  4. Step 4: Simplify right side
    2,212,673.80x = 7,332,274,135,568.22
  5. Step 5: Solve for x
    x = 7,332,274,135,568.22/2,212,673.80
  6. Step 6: Final answer
    x = 3,313,761.90

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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.