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Finding the Fourth Proportional to 275,145.60, 411,843.60 and 196,413.60

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Solution

The fourth proportional to 275,145.60, 411,843.60 and 196,413.60 is: 293,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,145.60 : 411,843.60 = 196,413.60 : x
  2. Step 2: Convert to fraction form
    275,145.60/411,843.60 = 196,413.60/x
  3. Step 3: Cross multiply
    275,145.60x = 411,843.60 × 196,413.60
  4. Step 4: Simplify right side
    275,145.60x = 80,891,684,112.96
  5. Step 5: Solve for x
    x = 80,891,684,112.96/275,145.60
  6. Step 6: Final answer
    x = 293,995.92

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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.