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Finding the Fourth Proportional to 603,842.31, 833,285.48 and 331,910.73

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Solution

The fourth proportional to 603,842.31, 833,285.48 and 331,910.73 is: 458,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,842.31 : 833,285.48 = 331,910.73 : x
  2. Step 2: Convert to fraction form
    603,842.31/833,285.48 = 331,910.73/x
  3. Step 3: Cross multiply
    603,842.31x = 833,285.48 × 331,910.73
  4. Step 4: Simplify right side
    603,842.31x = 276,576,390,305.65
  5. Step 5: Solve for x
    x = 276,576,390,305.65/603,842.31
  6. Step 6: Final answer
    x = 458,027.51

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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.