Finding the Fourth Proportional to 417,689.11, 626,433.26 and 192,833.56
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Solution
The fourth proportional to 417,689.11, 626,433.26 and 192,833.56 is: 289,203.99
Step by Step Solution
- Step 1: Write the proportion equation
417,689.11 : 626,433.26 = 192,833.56 : x - Step 2: Convert to fraction form
417,689.11/626,433.26 = 192,833.56/x - Step 3: Cross multiply
417,689.11x = 626,433.26 × 192,833.56 - Step 4: Simplify right side
417,689.11x = 120,797,356,531.77 - Step 5: Solve for x
x = 120,797,356,531.77/417,689.11 - Step 6: Final answer
x = 289,203.99
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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.