Finding the Fourth Proportional to 356,546.24, 491,995.28 and 203,570
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Solution
The fourth proportional to 356,546.24, 491,995.28 and 203,570 is: 280,904.60
Step by Step Solution
- Step 1: Write the proportion equation
356,546.24 : 491,995.28 = 203,570 : x - Step 2: Convert to fraction form
356,546.24/491,995.28 = 203,570/x - Step 3: Cross multiply
356,546.24x = 491,995.28 × 203,570 - Step 4: Simplify right side
356,546.24x = 100,155,479,149.60 - Step 5: Solve for x
x = 100,155,479,149.60/356,546.24 - Step 6: Final answer
x = 280,904.60
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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.