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Finding the Fourth Proportional to 400,887.52, 599,933.38 and 327,998.03

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Solution

The fourth proportional to 400,887.52, 599,933.38 and 327,998.03 is: 490,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,887.52 : 599,933.38 = 327,998.03 : x
  2. Step 2: Convert to fraction form
    400,887.52/599,933.38 = 327,998.03/x
  3. Step 3: Cross multiply
    400,887.52x = 599,933.38 × 327,998.03
  4. Step 4: Simplify right side
    400,887.52x = 196,776,966,771.24
  5. Step 5: Solve for x
    x = 196,776,966,771.24/400,887.52
  6. Step 6: Final answer
    x = 490,853.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.