Finding the Fourth Proportional to 334,523.40, 462,305.94 and 273,998.20
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Solution
The fourth proportional to 334,523.40, 462,305.94 and 273,998.20 is: 378,661.09
Step by Step Solution
- Step 1: Write the proportion equation
334,523.40 : 462,305.94 = 273,998.20 : x - Step 2: Convert to fraction form
334,523.40/462,305.94 = 273,998.20/x - Step 3: Cross multiply
334,523.40x = 462,305.94 × 273,998.20 - Step 4: Simplify right side
334,523.40x = 126,670,995,409.31 - Step 5: Solve for x
x = 126,670,995,409.31/334,523.40 - Step 6: Final answer
x = 378,661.09
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1.5x scale
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.