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Finding the Fourth Proportional to 329,998.20, 494,997.30 and 119,608.80

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Solution

The fourth proportional to 329,998.20, 494,997.30 and 119,608.80 is: 179,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,998.20 : 494,997.30 = 119,608.80 : x
  2. Step 2: Convert to fraction form
    329,998.20/494,997.30 = 119,608.80/x
  3. Step 3: Cross multiply
    329,998.20x = 494,997.30 × 119,608.80
  4. Step 4: Simplify right side
    329,998.20x = 59,206,033,056.24
  5. Step 5: Solve for x
    x = 59,206,033,056.24/329,998.20
  6. Step 6: Final answer
    x = 179,413.20

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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.