Finding the Fourth Proportional to 452,342.87, 624,205.20 and 248,392.97
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Solution
The fourth proportional to 452,342.87, 624,205.20 and 248,392.97 is: 342,766.94
Step by Step Solution
- Step 1: Write the proportion equation
452,342.87 : 624,205.20 = 248,392.97 : x - Step 2: Convert to fraction form
452,342.87/624,205.20 = 248,392.97/x - Step 3: Cross multiply
452,342.87x = 624,205.20 × 248,392.97 - Step 4: Simplify right side
452,342.87x = 155,048,183,517.44 - Step 5: Solve for x
x = 155,048,183,517.44/452,342.87 - Step 6: Final answer
x = 342,766.94
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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.