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Finding the Fourth Proportional to 323,897.38, 446,857.88 and 187,855.04

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Solution

The fourth proportional to 323,897.38, 446,857.88 and 187,855.04 is: 259,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,897.38 : 446,857.88 = 187,855.04 : x
  2. Step 2: Convert to fraction form
    323,897.38/446,857.88 = 187,855.04/x
  3. Step 3: Cross multiply
    323,897.38x = 446,857.88 × 187,855.04
  4. Step 4: Simplify right side
    323,897.38x = 83,944,504,921.72
  5. Step 5: Solve for x
    x = 83,944,504,921.72/323,897.38
  6. Step 6: Final answer
    x = 259,170.06

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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.