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Finding the Fourth Proportional to 273,940.31, 410,910.48 and 74,260.69

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Solution

The fourth proportional to 273,940.31, 410,910.48 and 74,260.69 is: 111,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,940.31 : 410,910.48 = 74,260.69 : x
  2. Step 2: Convert to fraction form
    273,940.31/410,910.48 = 74,260.69/x
  3. Step 3: Cross multiply
    273,940.31x = 410,910.48 × 74,260.69
  4. Step 4: Simplify right side
    273,940.31x = 30,514,494,745.76
  5. Step 5: Solve for x
    x = 30,514,494,745.76/273,940.31
  6. Step 6: Final answer
    x = 111,391.03

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1.5x scale

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.