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Finding the Fourth Proportional to 383,956.56, 529,954.92 and 233,179.92

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Solution

The fourth proportional to 383,956.56, 529,954.92 and 233,179.92 is: 321,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,956.56 : 529,954.92 = 233,179.92 : x
  2. Step 2: Convert to fraction form
    383,956.56/529,954.92 = 233,179.92/x
  3. Step 3: Cross multiply
    383,956.56x = 529,954.92 × 233,179.92
  4. Step 4: Simplify right side
    383,956.56x = 123,574,845,849.21
  5. Step 5: Solve for x
    x = 123,574,845,849.21/383,956.56
  6. Step 6: Final answer
    x = 321,845.90

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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.