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Finding the Fourth Proportional to 353,561.96, 487,906.14 and 192,413.55

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Solution

The fourth proportional to 353,561.96, 487,906.14 and 192,413.55 is: 265,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,561.96 : 487,906.14 = 192,413.55 : x
  2. Step 2: Convert to fraction form
    353,561.96/487,906.14 = 192,413.55/x
  3. Step 3: Cross multiply
    353,561.96x = 487,906.14 × 192,413.55
  4. Step 4: Simplify right side
    353,561.96x = 93,879,752,464.20
  5. Step 5: Solve for x
    x = 93,879,752,464.20/353,561.96
  6. Step 6: Final answer
    x = 265,525.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.