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Finding the Fourth Proportional to 451,105.52, 622,525.24 and 247,169.60

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Solution

The fourth proportional to 451,105.52, 622,525.24 and 247,169.60 is: 341,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,105.52 : 622,525.24 = 247,169.60 : x
  2. Step 2: Convert to fraction form
    451,105.52/622,525.24 = 247,169.60/x
  3. Step 3: Cross multiply
    451,105.52x = 622,525.24 × 247,169.60
  4. Step 4: Simplify right side
    451,105.52x = 153,869,314,560.70
  5. Step 5: Solve for x
    x = 153,869,314,560.70/451,105.52
  6. Step 6: Final answer
    x = 341,093.84

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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.