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Finding the Fourth Proportional to 273,149.60, 409,724.40 and 259,632.80

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Solution

The fourth proportional to 273,149.60, 409,724.40 and 259,632.80 is: 389,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,149.60 : 409,724.40 = 259,632.80 : x
  2. Step 2: Convert to fraction form
    273,149.60/409,724.40 = 259,632.80/x
  3. Step 3: Cross multiply
    273,149.60x = 409,724.40 × 259,632.80
  4. Step 4: Simplify right side
    273,149.60x = 106,377,893,200.32
  5. Step 5: Solve for x
    x = 106,377,893,200.32/273,149.60
  6. Step 6: Final answer
    x = 389,449.20

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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.