Finding the Fourth Proportional to 707,082.12, 1,060,722.81 and 227,148.99
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Solution
The fourth proportional to 707,082.12, 1,060,722.81 and 227,148.99 is: 340,755.49
Step by Step Solution
- Step 1: Write the proportion equation
707,082.12 : 1,060,722.81 = 227,148.99 : x - Step 2: Convert to fraction form
707,082.12/1,060,722.81 = 227,148.99/x - Step 3: Cross multiply
707,082.12x = 1,060,722.81 × 227,148.99 - Step 4: Simplify right side
707,082.12x = 240,942,114,961.46 - Step 5: Solve for x
x = 240,942,114,961.46/707,082.12 - Step 6: Final answer
x = 340,755.49
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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.