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Finding the Fourth Proportional to 483,794.37, 667,723.50 and 279,816.93

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Solution

The fourth proportional to 483,794.37, 667,723.50 and 279,816.93 is: 386,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,794.37 : 667,723.50 = 279,816.93 : x
  2. Step 2: Convert to fraction form
    483,794.37/667,723.50 = 279,816.93/x
  3. Step 3: Cross multiply
    483,794.37x = 667,723.50 × 279,816.93
  4. Step 4: Simplify right side
    483,794.37x = 186,840,339,858.86
  5. Step 5: Solve for x
    x = 186,840,339,858.86/483,794.37
  6. Step 6: Final answer
    x = 386,197.84

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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.