Finding the Fourth Proportional to 444,882.05, 667,436.83 and 129,338.96
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Solution
The fourth proportional to 444,882.05, 667,436.83 and 129,338.96 is: 194,041.50
Step by Step Solution
- Step 1: Write the proportion equation
444,882.05 : 667,436.83 = 129,338.96 : x - Step 2: Convert to fraction form
444,882.05/667,436.83 = 129,338.96/x - Step 3: Cross multiply
444,882.05x = 667,436.83 × 129,338.96 - Step 4: Simplify right side
444,882.05x = 86,325,581,797.37 - Step 5: Solve for x
x = 86,325,581,797.37/444,882.05 - Step 6: Final answer
x = 194,041.50
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1.5x scale
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.