Finding the Fourth Proportional to 316,879.26, 437,293.38 and 182,743.26
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Solution
The fourth proportional to 316,879.26, 437,293.38 and 182,743.26 is: 252,185.70
Step by Step Solution
- Step 1: Write the proportion equation
316,879.26 : 437,293.38 = 182,743.26 : x - Step 2: Convert to fraction form
316,879.26/437,293.38 = 182,743.26/x - Step 3: Cross multiply
316,879.26x = 437,293.38 × 182,743.26 - Step 4: Simplify right side
316,879.26x = 79,912,417,837.62 - Step 5: Solve for x
x = 79,912,417,837.62/316,879.26 - Step 6: Final answer
x = 252,185.70
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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.