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Finding the Fourth Proportional to 275,469.40, 412,512.90 and 181,466.20

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Solution

The fourth proportional to 275,469.40, 412,512.90 and 181,466.20 is: 271,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,469.40 : 412,512.90 = 181,466.20 : x
  2. Step 2: Convert to fraction form
    275,469.40/412,512.90 = 181,466.20/x
  3. Step 3: Cross multiply
    275,469.40x = 412,512.90 × 181,466.20
  4. Step 4: Simplify right side
    275,469.40x = 74,857,148,413.98
  5. Step 5: Solve for x
    x = 74,857,148,413.98/275,469.40
  6. Step 6: Final answer
    x = 271,743.97

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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.