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Finding the Fourth Proportional to 590,249.12, 814,546.32 and 321,982.88

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Solution

The fourth proportional to 590,249.12, 814,546.32 and 321,982.88 is: 444,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,249.12 : 814,546.32 = 321,982.88 : x
  2. Step 2: Convert to fraction form
    590,249.12/814,546.32 = 321,982.88/x
  3. Step 3: Cross multiply
    590,249.12x = 814,546.32 × 321,982.88
  4. Step 4: Simplify right side
    590,249.12x = 262,269,970,007.00
  5. Step 5: Solve for x
    x = 262,269,970,007.00/590,249.12
  6. Step 6: Final answer
    x = 444,337.76

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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.