Finding the Fourth Proportional to 434,166.88, 599,161.98 and 243,176.08
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Solution
The fourth proportional to 434,166.88, 599,161.98 and 243,176.08 is: 335,589.54
Step by Step Solution
- Step 1: Write the proportion equation
434,166.88 : 599,161.98 = 243,176.08 : x - Step 2: Convert to fraction form
434,166.88/599,161.98 = 243,176.08/x - Step 3: Cross multiply
434,166.88x = 599,161.98 × 243,176.08 - Step 4: Simplify right side
434,166.88x = 145,701,861,581.44 - Step 5: Solve for x
x = 145,701,861,581.44/434,166.88 - Step 6: Final answer
x = 335,589.54
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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.