Finding the Fourth Proportional to 481,240.44, 721,897.92 and 161,394.12
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Solution
The fourth proportional to 481,240.44, 721,897.92 and 161,394.12 is: 242,103.68
Step by Step Solution
- Step 1: Write the proportion equation
481,240.44 : 721,897.92 = 161,394.12 : x - Step 2: Convert to fraction form
481,240.44/721,897.92 = 161,394.12/x - Step 3: Cross multiply
481,240.44x = 721,897.92 × 161,394.12 - Step 4: Simplify right side
481,240.44x = 116,510,079,528.23 - Step 5: Solve for x
x = 116,510,079,528.23/481,240.44 - Step 6: Final answer
x = 242,103.68
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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.