Finding the Fourth Proportional to 482,867.60, 724,560.60 and 202,413.20
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Solution
The fourth proportional to 482,867.60, 724,560.60 and 202,413.20 is: 303,728.45
Step by Step Solution
- Step 1: Write the proportion equation
482,867.60 : 724,560.60 = 202,413.20 : x - Step 2: Convert to fraction form
482,867.60/724,560.60 = 202,413.20/x - Step 3: Cross multiply
482,867.60x = 724,560.60 × 202,413.20 - Step 4: Simplify right side
482,867.60x = 146,660,629,639.92 - Step 5: Solve for x
x = 146,660,629,639.92/482,867.60 - Step 6: Final answer
x = 303,728.45
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1.5x scale
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.