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Finding the Fourth Proportional to 322,544.12, 445,122.32 and 177,360.92

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Solution

The fourth proportional to 322,544.12, 445,122.32 and 177,360.92 is: 244,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,544.12 : 445,122.32 = 177,360.92 : x
  2. Step 2: Convert to fraction form
    322,544.12/445,122.32 = 177,360.92/x
  3. Step 3: Cross multiply
    322,544.12x = 445,122.32 × 177,360.92
  4. Step 4: Simplify right side
    322,544.12x = 78,947,304,413.74
  5. Step 5: Solve for x
    x = 78,947,304,413.74/322,544.12
  6. Step 6: Final answer
    x = 244,764.36

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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.