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Finding the Fourth Proportional to 285,527.66, 394,149.73 and 192,413.81

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Solution

The fourth proportional to 285,527.66, 394,149.73 and 192,413.81 is: 265,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,527.66 : 394,149.73 = 192,413.81 : x
  2. Step 2: Convert to fraction form
    285,527.66/394,149.73 = 192,413.81/x
  3. Step 3: Cross multiply
    285,527.66x = 394,149.73 × 192,413.81
  4. Step 4: Simplify right side
    285,527.66x = 75,839,850,249.30
  5. Step 5: Solve for x
    x = 75,839,850,249.30/285,527.66
  6. Step 6: Final answer
    x = 265,612.97

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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.