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Finding the Fourth Proportional to 404,367.83, 606,232.12 and 201,860

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Solution

The fourth proportional to 404,367.83, 606,232.12 and 201,860 is: 302,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,367.83 : 606,232.12 = 201,860 : x
  2. Step 2: Convert to fraction form
    404,367.83/606,232.12 = 201,860/x
  3. Step 3: Cross multiply
    404,367.83x = 606,232.12 × 201,860
  4. Step 4: Simplify right side
    404,367.83x = 122,374,015,743.20
  5. Step 5: Solve for x
    x = 122,374,015,743.20/404,367.83
  6. Step 6: Final answer
    x = 302,630.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.