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Finding the Fourth Proportional to 324,042.93, 447,107.65 and 187,998.03

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Solution

The fourth proportional to 324,042.93, 447,107.65 and 187,998.03 is: 259,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,042.93 : 447,107.65 = 187,998.03 : x
  2. Step 2: Convert to fraction form
    324,042.93/447,107.65 = 187,998.03/x
  3. Step 3: Cross multiply
    324,042.93x = 447,107.65 × 187,998.03
  4. Step 4: Simplify right side
    324,042.93x = 84,055,356,927.93
  5. Step 5: Solve for x
    x = 84,055,356,927.93/324,042.93
  6. Step 6: Final answer
    x = 259,395.74

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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.