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Finding the Fourth Proportional to 325,809.54, 488,413.62 and 226,016.82

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Solution

The fourth proportional to 325,809.54, 488,413.62 and 226,016.82 is: 338,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,809.54 : 488,413.62 = 226,016.82 : x
  2. Step 2: Convert to fraction form
    325,809.54/488,413.62 = 226,016.82/x
  3. Step 3: Cross multiply
    325,809.54x = 488,413.62 × 226,016.82
  4. Step 4: Simplify right side
    325,809.54x = 110,389,693,237.09
  5. Step 5: Solve for x
    x = 110,389,693,237.09/325,809.54
  6. Step 6: Final answer
    x = 338,816.64

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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.