Finding the Fourth Proportional to 327,858.08, 491,021.68 and 252,379.32
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Solution
The fourth proportional to 327,858.08, 491,021.68 and 252,379.32 is: 377,979.76
Step by Step Solution
- Step 1: Write the proportion equation
327,858.08 : 491,021.68 = 252,379.32 : x - Step 2: Convert to fraction form
327,858.08/491,021.68 = 252,379.32/x - Step 3: Cross multiply
327,858.08x = 491,021.68 × 252,379.32 - Step 4: Simplify right side
327,858.08x = 123,923,717,703.66 - Step 5: Solve for x
x = 123,923,717,703.66/327,858.08 - Step 6: Final answer
x = 377,979.76
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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.