Finding the Fourth Proportional to 327,442.14, 491,163.33 and 147,317.22
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Solution
The fourth proportional to 327,442.14, 491,163.33 and 147,317.22 is: 220,975.88
Step by Step Solution
- Step 1: Write the proportion equation
327,442.14 : 491,163.33 = 147,317.22 : x - Step 2: Convert to fraction form
327,442.14/491,163.33 = 147,317.22/x - Step 3: Cross multiply
327,442.14x = 491,163.33 × 147,317.22 - Step 4: Simplify right side
327,442.14x = 72,356,816,341.54 - Step 5: Solve for x
x = 72,356,816,341.54/327,442.14 - Step 6: Final answer
x = 220,975.88
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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.