Finding the Fourth Proportional to 221,727.80, 332,591.70 and 221,727.80
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Solution
The fourth proportional to 221,727.80, 332,591.70 and 221,727.80 is: 332,591.70
Step by Step Solution
- Step 1: Write the proportion equation
221,727.80 : 332,591.70 = 221,727.80 : x - Step 2: Convert to fraction form
221,727.80/332,591.70 = 221,727.80/x - Step 3: Cross multiply
221,727.80x = 332,591.70 × 221,727.80 - Step 4: Simplify right side
221,727.80x = 73,744,825,939.26 - Step 5: Solve for x
x = 73,744,825,939.26/221,727.80 - Step 6: Final answer
x = 332,591.70
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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.