Finding the Fourth Proportional to 325,558.44, 488,413.40 and 100,906.97
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Solution
The fourth proportional to 325,558.44, 488,413.40 and 100,906.97 is: 151,383.92
Step by Step Solution
- Step 1: Write the proportion equation
325,558.44 : 488,413.40 = 100,906.97 : x - Step 2: Convert to fraction form
325,558.44/488,413.40 = 100,906.97/x - Step 3: Cross multiply
325,558.44x = 488,413.40 × 100,906.97 - Step 4: Simplify right side
325,558.44x = 49,284,313,354.80 - Step 5: Solve for x
x = 49,284,313,354.80/325,558.44 - Step 6: Final answer
x = 151,383.92
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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.