Finding the Fourth Proportional to 598,082.99, 825,336.14 and 339,988.13
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Solution
The fourth proportional to 598,082.99, 825,336.14 and 339,988.13 is: 469,173.17
Step by Step Solution
- Step 1: Write the proportion equation
598,082.99 : 825,336.14 = 339,988.13 : x - Step 2: Convert to fraction form
598,082.99/825,336.14 = 339,988.13/x - Step 3: Cross multiply
598,082.99x = 825,336.14 × 339,988.13 - Step 4: Simplify right side
598,082.99x = 280,604,492,770.92 - Step 5: Solve for x
x = 280,604,492,770.92/598,082.99 - Step 6: Final answer
x = 469,173.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.