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Finding the Fourth Proportional to 258,447.76, 356,605.62 and 150,997.04

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Solution

The fourth proportional to 258,447.76, 356,605.62 and 150,997.04 is: 208,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,447.76 : 356,605.62 = 150,997.04 : x
  2. Step 2: Convert to fraction form
    258,447.76/356,605.62 = 150,997.04/x
  3. Step 3: Cross multiply
    258,447.76x = 356,605.62 × 150,997.04
  4. Step 4: Simplify right side
    258,447.76x = 53,846,393,067.36
  5. Step 5: Solve for x
    x = 53,846,393,067.36/258,447.76
  6. Step 6: Final answer
    x = 208,345.37

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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.