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Finding the Fourth Proportional to 273,895.60, 410,843.40 and 86,906.80

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Solution

The fourth proportional to 273,895.60, 410,843.40 and 86,906.80 is: 130,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,895.60 : 410,843.40 = 86,906.80 : x
  2. Step 2: Convert to fraction form
    273,895.60/410,843.40 = 86,906.80/x
  3. Step 3: Cross multiply
    273,895.60x = 410,843.40 × 86,906.80
  4. Step 4: Simplify right side
    273,895.60x = 35,705,085,195.12
  5. Step 5: Solve for x
    x = 35,705,085,195.12/273,895.60
  6. Step 6: Final answer
    x = 130,360.20

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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.