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Finding the Fourth Proportional to 273,323.60, 409,985.40 and 179,934.80

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Solution

The fourth proportional to 273,323.60, 409,985.40 and 179,934.80 is: 269,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,323.60 : 409,985.40 = 179,934.80 : x
  2. Step 2: Convert to fraction form
    273,323.60/409,985.40 = 179,934.80/x
  3. Step 3: Cross multiply
    273,323.60x = 409,985.40 × 179,934.80
  4. Step 4: Simplify right side
    273,323.60x = 73,770,640,951.92
  5. Step 5: Solve for x
    x = 73,770,640,951.92/273,323.60
  6. Step 6: Final answer
    x = 269,902.20

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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.