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Finding the Fourth Proportional to 383,861.58, 529,834.41 and 222,768.51

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Solution

The fourth proportional to 383,861.58, 529,834.41 and 222,768.51 is: 307,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,861.58 : 529,834.41 = 222,768.51 : x
  2. Step 2: Convert to fraction form
    383,861.58/529,834.41 = 222,768.51/x
  3. Step 3: Cross multiply
    383,861.58x = 529,834.41 × 222,768.51
  4. Step 4: Simplify right side
    383,861.58x = 118,030,422,062.43
  5. Step 5: Solve for x
    x = 118,030,422,062.43/383,861.58
  6. Step 6: Final answer
    x = 307,481.73

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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.