Finding the Fourth Proportional to 574,055.69, 861,278.12 and 254,163.44
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Solution
The fourth proportional to 574,055.69, 861,278.12 and 254,163.44 is: 381,331.31
Step by Step Solution
- Step 1: Write the proportion equation
574,055.69 : 861,278.12 = 254,163.44 : x - Step 2: Convert to fraction form
574,055.69/861,278.12 = 254,163.44/x - Step 3: Cross multiply
574,055.69x = 861,278.12 × 254,163.44 - Step 4: Simplify right side
574,055.69x = 218,905,404,198.73 - Step 5: Solve for x
x = 218,905,404,198.73/574,055.69 - Step 6: Final answer
x = 381,331.31
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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.