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Finding the Fourth Proportional to 488,771.40, 733,375.80 and 222,394.80

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Solution

The fourth proportional to 488,771.40, 733,375.80 and 222,394.80 is: 333,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,771.40 : 733,375.80 = 222,394.80 : x
  2. Step 2: Convert to fraction form
    488,771.40/733,375.80 = 222,394.80/x
  3. Step 3: Cross multiply
    488,771.40x = 733,375.80 × 222,394.80
  4. Step 4: Simplify right side
    488,771.40x = 163,098,964,365.84
  5. Step 5: Solve for x
    x = 163,098,964,365.84/488,771.40
  6. Step 6: Final answer
    x = 333,691.71

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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.