Finding the Fourth Proportional to 574,843.69, 793,308.77 and 320,194.99
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Solution
The fourth proportional to 574,843.69, 793,308.77 and 320,194.99 is: 441,882.72
Step by Step Solution
- Step 1: Write the proportion equation
574,843.69 : 793,308.77 = 320,194.99 : x - Step 2: Convert to fraction form
574,843.69/793,308.77 = 320,194.99/x - Step 3: Cross multiply
574,843.69x = 793,308.77 × 320,194.99 - Step 4: Simplify right side
574,843.69x = 254,013,493,677.06 - Step 5: Solve for x
x = 254,013,493,677.06/574,843.69 - Step 6: Final answer
x = 441,882.72
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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.