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Finding the Fourth Proportional to 477,791.46, 659,367.67 and 273,880.97

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Solution

The fourth proportional to 477,791.46, 659,367.67 and 273,880.97 is: 377,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,791.46 : 659,367.67 = 273,880.97 : x
  2. Step 2: Convert to fraction form
    477,791.46/659,367.67 = 273,880.97/x
  3. Step 3: Cross multiply
    477,791.46x = 659,367.67 × 273,880.97
  4. Step 4: Simplify right side
    477,791.46x = 180,588,257,135.04
  5. Step 5: Solve for x
    x = 180,588,257,135.04/477,791.46
  6. Step 6: Final answer
    x = 377,964.60

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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.