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Finding the Fourth Proportional to 700,891.14, 967,229.20 and 378,601.16

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Solution

The fourth proportional to 700,891.14, 967,229.20 and 378,601.16 is: 522,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,891.14 : 967,229.20 = 378,601.16 : x
  2. Step 2: Convert to fraction form
    700,891.14/967,229.20 = 378,601.16/x
  3. Step 3: Cross multiply
    700,891.14x = 967,229.20 × 378,601.16
  4. Step 4: Simplify right side
    700,891.14x = 366,194,092,742.98
  5. Step 5: Solve for x
    x = 366,194,092,742.98/700,891.14
  6. Step 6: Final answer
    x = 522,469.28

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1.5x scale

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.