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Finding the Fourth Proportional to 273,403.80, 410,105.70 and 262,906.20

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Solution

The fourth proportional to 273,403.80, 410,105.70 and 262,906.20 is: 394,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,403.80 : 410,105.70 = 262,906.20 : x
  2. Step 2: Convert to fraction form
    273,403.80/410,105.70 = 262,906.20/x
  3. Step 3: Cross multiply
    273,403.80x = 410,105.70 × 262,906.20
  4. Step 4: Simplify right side
    273,403.80x = 107,819,331,185.34
  5. Step 5: Solve for x
    x = 107,819,331,185.34/273,403.80
  6. Step 6: Final answer
    x = 394,359.30

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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.