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Finding the Fourth Proportional to 606,464.78, 836,993.67 and 351,824.54

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Solution

The fourth proportional to 606,464.78, 836,993.67 and 351,824.54 is: 485,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,464.78 : 836,993.67 = 351,824.54 : x
  2. Step 2: Convert to fraction form
    606,464.78/836,993.67 = 351,824.54/x
  3. Step 3: Cross multiply
    606,464.78x = 836,993.67 × 351,824.54
  4. Step 4: Simplify right side
    606,464.78x = 294,474,912,930.66
  5. Step 5: Solve for x
    x = 294,474,912,930.66/606,464.78
  6. Step 6: Final answer
    x = 485,559.79

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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.