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Finding the Fourth Proportional to 516,161.58, 773,927.82 and 231,796.86

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Solution

The fourth proportional to 516,161.58, 773,927.82 and 231,796.86 is: 347,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,161.58 : 773,927.82 = 231,796.86 : x
  2. Step 2: Convert to fraction form
    516,161.58/773,927.82 = 231,796.86/x
  3. Step 3: Cross multiply
    516,161.58x = 773,927.82 × 231,796.86
  4. Step 4: Simplify right side
    516,161.58x = 179,394,038,542.65
  5. Step 5: Solve for x
    x = 179,394,038,542.65/516,161.58
  6. Step 6: Final answer
    x = 347,554.03

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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.