Finding the Fourth Proportional to 467,343.29, 644,915.09 and 263,436.53
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Solution
The fourth proportional to 467,343.29, 644,915.09 and 263,436.53 is: 363,531.89
Step by Step Solution
- Step 1: Write the proportion equation
467,343.29 : 644,915.09 = 263,436.53 : x - Step 2: Convert to fraction form
467,343.29/644,915.09 = 263,436.53/x - Step 3: Cross multiply
467,343.29x = 644,915.09 × 263,436.53 - Step 4: Simplify right side
467,343.29x = 169,894,188,912.48 - Step 5: Solve for x
x = 169,894,188,912.48/467,343.29 - Step 6: Final answer
x = 363,531.89
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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.