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Finding the Fourth Proportional to 322,045.64, 444,436.86 and 178,805.69

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Solution

The fourth proportional to 322,045.64, 444,436.86 and 178,805.69 is: 246,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,045.64 : 444,436.86 = 178,805.69 : x
  2. Step 2: Convert to fraction form
    322,045.64/444,436.86 = 178,805.69/x
  3. Step 3: Cross multiply
    322,045.64x = 444,436.86 × 178,805.69
  4. Step 4: Simplify right side
    322,045.64x = 79,467,839,413.73
  5. Step 5: Solve for x
    x = 79,467,839,413.73/322,045.64
  6. Step 6: Final answer
    x = 246,759.56

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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.