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Finding the Fourth Proportional to 273,910.80, 410,866.20 and 179,907.60

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Solution

The fourth proportional to 273,910.80, 410,866.20 and 179,907.60 is: 269,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,910.80 : 410,866.20 = 179,907.60 : x
  2. Step 2: Convert to fraction form
    273,910.80/410,866.20 = 179,907.60/x
  3. Step 3: Cross multiply
    273,910.80x = 410,866.20 × 179,907.60
  4. Step 4: Simplify right side
    273,910.80x = 73,917,951,963.12
  5. Step 5: Solve for x
    x = 73,917,951,963.12/273,910.80
  6. Step 6: Final answer
    x = 269,861.40

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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.