Finding the Fourth Proportional to 325,133.38, 448,616.84 and 223,121.63
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Solution
The fourth proportional to 325,133.38, 448,616.84 and 223,121.63 is: 307,861.72
Step by Step Solution
- Step 1: Write the proportion equation
325,133.38 : 448,616.84 = 223,121.63 : x - Step 2: Convert to fraction form
325,133.38/448,616.84 = 223,121.63/x - Step 3: Cross multiply
325,133.38x = 448,616.84 × 223,121.63 - Step 4: Simplify right side
325,133.38x = 100,096,120,586.25 - Step 5: Solve for x
x = 100,096,120,586.25/325,133.38 - Step 6: Final answer
x = 307,861.72
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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.