Finding the Fourth Proportional to 592,366.23, 816,615.14 and 422,305.11
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Solution
The fourth proportional to 592,366.23, 816,615.14 and 422,305.11 is: 582,174.89
Step by Step Solution
- Step 1: Write the proportion equation
592,366.23 : 816,615.14 = 422,305.11 : x - Step 2: Convert to fraction form
592,366.23/816,615.14 = 422,305.11/x - Step 3: Cross multiply
592,366.23x = 816,615.14 × 422,305.11 - Step 4: Simplify right side
592,366.23x = 344,860,744,413.84 - Step 5: Solve for x
x = 344,860,744,413.84/592,366.23 - Step 6: Final answer
x = 582,174.89
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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.