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Finding the Fourth Proportional to 322,561.44, 445,114.04 and 179,317.80

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Solution

The fourth proportional to 322,561.44, 445,114.04 and 179,317.80 is: 247,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,561.44 : 445,114.04 = 179,317.80 : x
  2. Step 2: Convert to fraction form
    322,561.44/445,114.04 = 179,317.80/x
  3. Step 3: Cross multiply
    322,561.44x = 445,114.04 × 179,317.80
  4. Step 4: Simplify right side
    322,561.44x = 79,816,869,505.32
  5. Step 5: Solve for x
    x = 79,816,869,505.32/322,561.44
  6. Step 6: Final answer
    x = 247,447.03

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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.