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Finding the Fourth Proportional to 231,608.80, 347,413.20 and 222,751.45

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Solution

The fourth proportional to 231,608.80, 347,413.20 and 222,751.45 is: 334,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,608.80 : 347,413.20 = 222,751.45 : x
  2. Step 2: Convert to fraction form
    231,608.80/347,413.20 = 222,751.45/x
  3. Step 3: Cross multiply
    231,608.80x = 347,413.20 × 222,751.45
  4. Step 4: Simplify right side
    231,608.80x = 77,386,794,049.14
  5. Step 5: Solve for x
    x = 77,386,794,049.14/231,608.80
  6. Step 6: Final answer
    x = 334,127.18

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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.