Finding the Fourth Proportional to 574,756.02, 793,163.34 and 320,107.20
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Solution
The fourth proportional to 574,756.02, 793,163.34 and 320,107.20 is: 441,747.95
Step by Step Solution
- Step 1: Write the proportion equation
574,756.02 : 793,163.34 = 320,107.20 : x - Step 2: Convert to fraction form
574,756.02/793,163.34 = 320,107.20/x - Step 3: Cross multiply
574,756.02x = 793,163.34 × 320,107.20 - Step 4: Simplify right side
574,756.02x = 253,897,295,910.05 - Step 5: Solve for x
x = 253,897,295,910.05/574,756.02 - Step 6: Final answer
x = 441,747.95
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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.