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Finding the Fourth Proportional to 263,226.40, 394,815.12 and 73,703.92

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Solution

The fourth proportional to 263,226.40, 394,815.12 and 73,703.92 is: 110,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,226.40 : 394,815.12 = 73,703.92 : x
  2. Step 2: Convert to fraction form
    263,226.40/394,815.12 = 73,703.92/x
  3. Step 3: Cross multiply
    263,226.40x = 394,815.12 × 73,703.92
  4. Step 4: Simplify right side
    263,226.40x = 29,099,422,019.27
  5. Step 5: Solve for x
    x = 29,099,422,019.27/263,226.40
  6. Step 6: Final answer
    x = 110,549.03

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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.