Finding the Fourth Proportional to 362,531.99, 543,239.09 and 194,074.67
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Solution
The fourth proportional to 362,531.99, 543,239.09 and 194,074.67 is: 290,812.81
Step by Step Solution
- Step 1: Write the proportion equation
362,531.99 : 543,239.09 = 194,074.67 : x - Step 2: Convert to fraction form
362,531.99/543,239.09 = 194,074.67/x - Step 3: Cross multiply
362,531.99x = 543,239.09 × 194,074.67 - Step 4: Simplify right side
362,531.99x = 105,428,946,152.48 - Step 5: Solve for x
x = 105,428,946,152.48/362,531.99 - Step 6: Final answer
x = 290,812.81
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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.