Finding the Fourth Proportional to 396,163.20, 593,588.70 and 337,114.20
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Solution
The fourth proportional to 396,163.20, 593,588.70 and 337,114.20 is: 505,112.99
Step by Step Solution
- Step 1: Write the proportion equation
396,163.20 : 593,588.70 = 337,114.20 : x - Step 2: Convert to fraction form
396,163.20/593,588.70 = 337,114.20/x - Step 3: Cross multiply
396,163.20x = 593,588.70 × 337,114.20 - Step 4: Simplify right side
396,163.20x = 200,107,179,729.54 - Step 5: Solve for x
x = 200,107,179,729.54/396,163.20 - Step 6: Final answer
x = 505,112.99
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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.