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Finding the Fourth Proportional to 534,910.84, 738,252.56 and 331,027.43

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Solution

The fourth proportional to 534,910.84, 738,252.56 and 331,027.43 is: 456,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,910.84 : 738,252.56 = 331,027.43 : x
  2. Step 2: Convert to fraction form
    534,910.84/738,252.56 = 331,027.43/x
  3. Step 3: Cross multiply
    534,910.84x = 738,252.56 × 331,027.43
  4. Step 4: Simplify right side
    534,910.84x = 244,381,844,764.03
  5. Step 5: Solve for x
    x = 244,381,844,764.03/534,910.84
  6. Step 6: Final answer
    x = 456,864.64

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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.