Finding the Fourth Proportional to 386,757.05, 533,716.46 and 214,664.99
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Solution
The fourth proportional to 386,757.05, 533,716.46 and 214,664.99 is: 296,233.09
Step by Step Solution
- Step 1: Write the proportion equation
386,757.05 : 533,716.46 = 214,664.99 : x - Step 2: Convert to fraction form
386,757.05/533,716.46 = 214,664.99/x - Step 3: Cross multiply
386,757.05x = 533,716.46 × 214,664.99 - Step 4: Simplify right side
386,757.05x = 114,570,234,806.83 - Step 5: Solve for x
x = 114,570,234,806.83/386,757.05 - Step 6: Final answer
x = 296,233.09
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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.