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Finding the Fourth Proportional to 383,873.73, 529,574.58 and 222,635.31

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Solution

The fourth proportional to 383,873.73, 529,574.58 and 222,635.31 is: 307,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,873.73 : 529,574.58 = 222,635.31 : x
  2. Step 2: Convert to fraction form
    383,873.73/529,574.58 = 222,635.31/x
  3. Step 3: Cross multiply
    383,873.73x = 529,574.58 × 222,635.31
  4. Step 4: Simplify right side
    383,873.73x = 117,902,000,786.42
  5. Step 5: Solve for x
    x = 117,902,000,786.42/383,873.73
  6. Step 6: Final answer
    x = 307,137.46

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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.