Finding the Fourth Proportional to 543,049.12, 813,514.11 and 355,492
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Solution
The fourth proportional to 543,049.12, 813,514.11 and 355,492 is: 532,544.38
Step by Step Solution
- Step 1: Write the proportion equation
543,049.12 : 813,514.11 = 355,492 : x - Step 2: Convert to fraction form
543,049.12/813,514.11 = 355,492/x - Step 3: Cross multiply
543,049.12x = 813,514.11 × 355,492 - Step 4: Simplify right side
543,049.12x = 289,197,757,992.12 - Step 5: Solve for x
x = 289,197,757,992.12/543,049.12 - Step 6: Final answer
x = 532,544.38
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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.