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Finding the Fourth Proportional to 367,208.66, 550,811.07 and 199,793.21

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Solution

The fourth proportional to 367,208.66, 550,811.07 and 199,793.21 is: 299,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,208.66 : 550,811.07 = 199,793.21 : x
  2. Step 2: Convert to fraction form
    367,208.66/550,811.07 = 199,793.21/x
  3. Step 3: Cross multiply
    367,208.66x = 550,811.07 × 199,793.21
  4. Step 4: Simplify right side
    367,208.66x = 110,048,314,270.26
  5. Step 5: Solve for x
    x = 110,048,314,270.26/367,208.66
  6. Step 6: Final answer
    x = 299,688.78

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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.