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Finding the Fourth Proportional to 701,394.30, 967,924.31 and 379,103.40

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Solution

The fourth proportional to 701,394.30, 967,924.31 and 379,103.40 is: 523,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,394.30 : 967,924.31 = 379,103.40 : x
  2. Step 2: Convert to fraction form
    701,394.30/967,924.31 = 379,103.40/x
  3. Step 3: Cross multiply
    701,394.30x = 967,924.31 × 379,103.40
  4. Step 4: Simplify right side
    701,394.30x = 366,943,394,968.14
  5. Step 5: Solve for x
    x = 366,943,394,968.14/701,394.30
  6. Step 6: Final answer
    x = 523,162.78

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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.