Finding the Fourth Proportional to 263,934.98, 364,531.07 and 178,904.42
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Solution
The fourth proportional to 263,934.98, 364,531.07 and 178,904.42 is: 247,091.99
Step by Step Solution
- Step 1: Write the proportion equation
263,934.98 : 364,531.07 = 178,904.42 : x - Step 2: Convert to fraction form
263,934.98/364,531.07 = 178,904.42/x - Step 3: Cross multiply
263,934.98x = 364,531.07 × 178,904.42 - Step 4: Simplify right side
263,934.98x = 65,216,218,755.81 - Step 5: Solve for x
x = 65,216,218,755.81/263,934.98 - Step 6: Final answer
x = 247,091.99
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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.