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Finding the Fourth Proportional to 273,170.80, 409,853.40 and 263,450.80

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Solution

The fourth proportional to 273,170.80, 409,853.40 and 263,450.80 is: 395,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,170.80 : 409,853.40 = 263,450.80 : x
  2. Step 2: Convert to fraction form
    273,170.80/409,853.40 = 263,450.80/x
  3. Step 3: Cross multiply
    273,170.80x = 409,853.40 × 263,450.80
  4. Step 4: Simplify right side
    273,170.80x = 107,976,206,112.72
  5. Step 5: Solve for x
    x = 107,976,206,112.72/273,170.80
  6. Step 6: Final answer
    x = 395,269.94

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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.