Finding the Fourth Proportional to 452,793.26, 679,213.16 and 115,836.84
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Solution
The fourth proportional to 452,793.26, 679,213.16 and 115,836.84 is: 173,761.20
Step by Step Solution
- Step 1: Write the proportion equation
452,793.26 : 679,213.16 = 115,836.84 : x - Step 2: Convert to fraction form
452,793.26/679,213.16 = 115,836.84/x - Step 3: Cross multiply
452,793.26x = 679,213.16 × 115,836.84 - Step 4: Simplify right side
452,793.26x = 78,677,902,455.16 - Step 5: Solve for x
x = 78,677,902,455.16/452,793.26 - Step 6: Final answer
x = 173,761.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.