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Finding the Fourth Proportional to 275,033.36, 412,550.36 and 75,355.48

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Solution

The fourth proportional to 275,033.36, 412,550.36 and 75,355.48 is: 113,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,033.36 : 412,550.36 = 75,355.48 : x
  2. Step 2: Convert to fraction form
    275,033.36/412,550.36 = 75,355.48/x
  3. Step 3: Cross multiply
    275,033.36x = 412,550.36 × 75,355.48
  4. Step 4: Simplify right side
    275,033.36x = 31,087,930,401.97
  5. Step 5: Solve for x
    x = 31,087,930,401.97/275,033.36
  6. Step 6: Final answer
    x = 113,033.31

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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.