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Finding the Fourth Proportional to 683,668.77, 943,481.94 and 377,764.97

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Solution

The fourth proportional to 683,668.77, 943,481.94 and 377,764.97 is: 521,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,668.77 : 943,481.94 = 377,764.97 : x
  2. Step 2: Convert to fraction form
    683,668.77/943,481.94 = 377,764.97/x
  3. Step 3: Cross multiply
    683,668.77x = 943,481.94 × 377,764.97
  4. Step 4: Simplify right side
    683,668.77x = 356,414,426,759.64
  5. Step 5: Solve for x
    x = 356,414,426,759.64/683,668.77
  6. Step 6: Final answer
    x = 521,326.18

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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.