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Finding the Fourth Proportional to 605,693.05, 835,845.91 and 351,067.93

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Solution

The fourth proportional to 605,693.05, 835,845.91 and 351,067.93 is: 484,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,693.05 : 835,845.91 = 351,067.93 : x
  2. Step 2: Convert to fraction form
    605,693.05/835,845.91 = 351,067.93/x
  3. Step 3: Cross multiply
    605,693.05x = 835,845.91 × 351,067.93
  4. Step 4: Simplify right side
    605,693.05x = 293,438,695,564.56
  5. Step 5: Solve for x
    x = 293,438,695,564.56/605,693.05
  6. Step 6: Final answer
    x = 484,467.66

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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.