Finding the Fourth Proportional to 548,803.92, 823,205.87 and 361,771.68
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Solution
The fourth proportional to 548,803.92, 823,205.87 and 361,771.68 is: 542,657.51
Step by Step Solution
- Step 1: Write the proportion equation
548,803.92 : 823,205.87 = 361,771.68 : x - Step 2: Convert to fraction form
548,803.92/823,205.87 = 361,771.68/x - Step 3: Cross multiply
548,803.92x = 823,205.87 × 361,771.68 - Step 4: Simplify right side
548,803.92x = 297,812,573,210.57 - Step 5: Solve for x
x = 297,812,573,210.57/548,803.92 - Step 6: Final answer
x = 542,657.51
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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.