Finding the Fourth Proportional to 363,937.26, 543,982.88 and 316,173.18
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Solution
The fourth proportional to 363,937.26, 543,982.88 and 316,173.18 is: 472,589.14
Step by Step Solution
- Step 1: Write the proportion equation
363,937.26 : 543,982.88 = 316,173.18 : x - Step 2: Convert to fraction form
363,937.26/543,982.88 = 316,173.18/x - Step 3: Cross multiply
363,937.26x = 543,982.88 × 316,173.18 - Step 4: Simplify right side
363,937.26x = 171,992,795,454.29 - Step 5: Solve for x
x = 171,992,795,454.29/363,937.26 - Step 6: Final answer
x = 472,589.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.