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Finding the Fourth Proportional to 494,380.33, 682,226.21 and 279,525.00

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Solution

The fourth proportional to 494,380.33, 682,226.21 and 279,525.00 is: 385,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,380.33 : 682,226.21 = 279,525.00 : x
  2. Step 2: Convert to fraction form
    494,380.33/682,226.21 = 279,525.00/x
  3. Step 3: Cross multiply
    494,380.33x = 682,226.21 × 279,525.00
  4. Step 4: Simplify right side
    494,380.33x = 190,699,284,607.41
  5. Step 5: Solve for x
    x = 190,699,284,607.41/494,380.33
  6. Step 6: Final answer
    x = 385,733.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.