Finding the Fourth Proportional to 582,190.92, 803,262.09 and 349,557.42
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Solution
The fourth proportional to 582,190.92, 803,262.09 and 349,557.42 is: 482,292.34
Step by Step Solution
- Step 1: Write the proportion equation
582,190.92 : 803,262.09 = 349,557.42 : x - Step 2: Convert to fraction form
582,190.92/803,262.09 = 349,557.42/x - Step 3: Cross multiply
582,190.92x = 803,262.09 × 349,557.42 - Step 4: Simplify right side
582,190.92x = 280,786,223,764.21 - Step 5: Solve for x
x = 280,786,223,764.21/582,190.92 - Step 6: Final answer
x = 482,292.34
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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.