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Finding the Fourth Proportional to 263,063.67, 394,596.33 and 73,522.78

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Solution

The fourth proportional to 263,063.67, 394,596.33 and 73,522.78 is: 110,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,063.67 : 394,596.33 = 73,522.78 : x
  2. Step 2: Convert to fraction form
    263,063.67/394,596.33 = 73,522.78/x
  3. Step 3: Cross multiply
    263,063.67x = 394,596.33 × 73,522.78
  4. Step 4: Simplify right side
    263,063.67x = 29,011,819,376.93
  5. Step 5: Solve for x
    x = 29,011,819,376.93/263,063.67
  6. Step 6: Final answer
    x = 110,284.40

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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.