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Finding the Fourth Proportional to 275,076.75, 412,570.85 and 75,350.44

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Solution

The fourth proportional to 275,076.75, 412,570.85 and 75,350.44 is: 113,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,076.75 : 412,570.85 = 75,350.44 : x
  2. Step 2: Convert to fraction form
    275,076.75/412,570.85 = 75,350.44/x
  3. Step 3: Cross multiply
    275,076.75x = 412,570.85 × 75,350.44
  4. Step 4: Simplify right side
    275,076.75x = 31,087,395,078.67
  5. Step 5: Solve for x
    x = 31,087,395,078.67/275,076.75
  6. Step 6: Final answer
    x = 113,013.53

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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.