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Finding the Fourth Proportional to 361,801, 499,291.62 and 200,663.08

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Solution

The fourth proportional to 361,801, 499,291.62 and 200,663.08 is: 276,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,801 : 499,291.62 = 200,663.08 : x
  2. Step 2: Convert to fraction form
    361,801/499,291.62 = 200,663.08/x
  3. Step 3: Cross multiply
    361,801x = 499,291.62 × 200,663.08
  4. Step 4: Simplify right side
    361,801x = 100,189,394,287.39
  5. Step 5: Solve for x
    x = 100,189,394,287.39/361,801
  6. Step 6: Final answer
    x = 276,918.51

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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.