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Finding the Fourth Proportional to 534,960.52, 738,321.01 and 331,077.11

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Solution

The fourth proportional to 534,960.52, 738,321.01 and 331,077.11 is: 456,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,960.52 : 738,321.01 = 331,077.11 : x
  2. Step 2: Convert to fraction form
    534,960.52/738,321.01 = 331,077.11/x
  3. Step 3: Cross multiply
    534,960.52x = 738,321.01 × 331,077.11
  4. Step 4: Simplify right side
    534,960.52x = 244,441,181,723.78
  5. Step 5: Solve for x
    x = 244,441,181,723.78/534,960.52
  6. Step 6: Final answer
    x = 456,933.13

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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.