Finding the Fourth Proportional to 511,755.69, 706,230.19 and 296,960.70
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Solution
The fourth proportional to 511,755.69, 706,230.19 and 296,960.70 is: 409,810.02
Step by Step Solution
- Step 1: Write the proportion equation
511,755.69 : 706,230.19 = 296,960.70 : x - Step 2: Convert to fraction form
511,755.69/706,230.19 = 296,960.70/x - Step 3: Cross multiply
511,755.69x = 706,230.19 × 296,960.70 - Step 4: Simplify right side
511,755.69x = 209,722,610,841.13 - Step 5: Solve for x
x = 209,722,610,841.13/511,755.69 - Step 6: Final answer
x = 409,810.02
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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.