Finding the Fourth Proportional to 434,413.76, 599,524.62 and 243,444.92
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Solution
The fourth proportional to 434,413.76, 599,524.62 and 243,444.92 is: 335,972.84
Step by Step Solution
- Step 1: Write the proportion equation
434,413.76 : 599,524.62 = 243,444.92 : x - Step 2: Convert to fraction form
434,413.76/599,524.62 = 243,444.92/x - Step 3: Cross multiply
434,413.76x = 599,524.62 × 243,444.92 - Step 4: Simplify right side
434,413.76x = 145,951,223,153.93 - Step 5: Solve for x
x = 145,951,223,153.93/434,413.76 - Step 6: Final answer
x = 335,972.84
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1.5x scale
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.