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Finding the Fourth Proportional to 273,909.80, 410,864.70 and 179,906.60

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Solution

The fourth proportional to 273,909.80, 410,864.70 and 179,906.60 is: 269,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,909.80 : 410,864.70 = 179,906.60 : x
  2. Step 2: Convert to fraction form
    273,909.80/410,864.70 = 179,906.60/x
  3. Step 3: Cross multiply
    273,909.80x = 410,864.70 × 179,906.60
  4. Step 4: Simplify right side
    273,909.80x = 73,917,271,237.02
  5. Step 5: Solve for x
    x = 73,917,271,237.02/273,909.80
  6. Step 6: Final answer
    x = 269,859.90

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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.