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Finding the Fourth Proportional to 338,843.02, 467,603.52 and 187,940.02

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Solution

The fourth proportional to 338,843.02, 467,603.52 and 187,940.02 is: 259,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,843.02 : 467,603.52 = 187,940.02 : x
  2. Step 2: Convert to fraction form
    338,843.02/467,603.52 = 187,940.02/x
  3. Step 3: Cross multiply
    338,843.02x = 467,603.52 × 187,940.02
  4. Step 4: Simplify right side
    338,843.02x = 87,881,414,900.87
  5. Step 5: Solve for x
    x = 87,881,414,900.87/338,843.02
  6. Step 6: Final answer
    x = 259,357.31

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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.