Finding the Fourth Proportional to 325,838.52, 449,649.78 and 189,864
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Solution
The fourth proportional to 325,838.52, 449,649.78 and 189,864 is: 262,008.02
Step by Step Solution
- Step 1: Write the proportion equation
325,838.52 : 449,649.78 = 189,864 : x - Step 2: Convert to fraction form
325,838.52/449,649.78 = 189,864/x - Step 3: Cross multiply
325,838.52x = 449,649.78 × 189,864 - Step 4: Simplify right side
325,838.52x = 85,372,305,829.92 - Step 5: Solve for x
x = 85,372,305,829.92/325,838.52 - Step 6: Final answer
x = 262,008.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.