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Finding the Fourth Proportional to 700,879.50, 967,214.07 and 378,589.59

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Solution

The fourth proportional to 700,879.50, 967,214.07 and 378,589.59 is: 522,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,879.50 : 967,214.07 = 378,589.59 : x
  2. Step 2: Convert to fraction form
    700,879.50/967,214.07 = 378,589.59/x
  3. Step 3: Cross multiply
    700,879.50x = 967,214.07 × 378,589.59
  4. Step 4: Simplify right side
    700,879.50x = 366,177,178,203.53
  5. Step 5: Solve for x
    x = 366,177,178,203.53/700,879.50
  6. Step 6: Final answer
    x = 522,453.83

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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.