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Finding the Fourth Proportional to 275,669.60, 413,504.40 and 273,336.80

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Solution

The fourth proportional to 275,669.60, 413,504.40 and 273,336.80 is: 410,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,669.60 : 413,504.40 = 273,336.80 : x
  2. Step 2: Convert to fraction form
    275,669.60/413,504.40 = 273,336.80/x
  3. Step 3: Cross multiply
    275,669.60x = 413,504.40 × 273,336.80
  4. Step 4: Simplify right side
    275,669.60x = 113,025,969,481.92
  5. Step 5: Solve for x
    x = 113,025,969,481.92/275,669.60
  6. Step 6: Final answer
    x = 410,005.20

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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.