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Finding the Fourth Proportional to 496,578.25, 744,869.81 and 122,601.25

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Solution

The fourth proportional to 496,578.25, 744,869.81 and 122,601.25 is: 183,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,578.25 : 744,869.81 = 122,601.25 : x
  2. Step 2: Convert to fraction form
    496,578.25/744,869.81 = 122,601.25/x
  3. Step 3: Cross multiply
    496,578.25x = 744,869.81 × 122,601.25
  4. Step 4: Simplify right side
    496,578.25x = 91,321,969,793.26
  5. Step 5: Solve for x
    x = 91,321,969,793.26/496,578.25
  6. Step 6: Final answer
    x = 183,902.48

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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.