Finding the Fourth Proportional to 468,736.11, 702,163.76 and 215,664.03
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Solution
The fourth proportional to 468,736.11, 702,163.76 and 215,664.03 is: 323,063.37
Step by Step Solution
- Step 1: Write the proportion equation
468,736.11 : 702,163.76 = 215,664.03 : x - Step 2: Convert to fraction form
468,736.11/702,163.76 = 215,664.03/x - Step 3: Cross multiply
468,736.11x = 702,163.76 × 215,664.03 - Step 4: Simplify right side
468,736.11x = 151,431,465,123.23 - Step 5: Solve for x
x = 151,431,465,123.23/468,736.11 - Step 6: Final answer
x = 323,063.37
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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.