Finding the Fourth Proportional to 396,063.24, 593,857.53 and 126,074.75
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Solution
The fourth proportional to 396,063.24, 593,857.53 and 126,074.75 is: 189,036.58
Step by Step Solution
- Step 1: Write the proportion equation
396,063.24 : 593,857.53 = 126,074.75 : x - Step 2: Convert to fraction form
396,063.24/593,857.53 = 126,074.75/x - Step 3: Cross multiply
396,063.24x = 593,857.53 × 126,074.75 - Step 4: Simplify right side
396,063.24x = 74,870,438,888.05 - Step 5: Solve for x
x = 74,870,438,888.05/396,063.24 - Step 6: Final answer
x = 189,036.58
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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.