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Finding the Fourth Proportional to 378,571.44, 568,681.79 and 228,882.27

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Solution

The fourth proportional to 378,571.44, 568,681.79 and 228,882.27 is: 343,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,571.44 : 568,681.79 = 228,882.27 : x
  2. Step 2: Convert to fraction form
    378,571.44/568,681.79 = 228,882.27/x
  3. Step 3: Cross multiply
    378,571.44x = 568,681.79 × 228,882.27
  4. Step 4: Simplify right side
    378,571.44x = 130,161,177,858.45
  5. Step 5: Solve for x
    x = 130,161,177,858.45/378,571.44
  6. Step 6: Final answer
    x = 343,821.97

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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.