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Finding the Fourth Proportional to 324,580.44, 447,844.24 and 188,533.55

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Solution

The fourth proportional to 324,580.44, 447,844.24 and 188,533.55 is: 260,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,580.44 : 447,844.24 = 188,533.55 : x
  2. Step 2: Convert to fraction form
    324,580.44/447,844.24 = 188,533.55/x
  3. Step 3: Cross multiply
    324,580.44x = 447,844.24 × 188,533.55
  4. Step 4: Simplify right side
    324,580.44x = 84,433,664,414.25
  5. Step 5: Solve for x
    x = 84,433,664,414.25/324,580.44
  6. Step 6: Final answer
    x = 260,131.71

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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.