Finding the Fourth Proportional to 522,593.21, 721,186.47 and 293,201.21
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Solution
The fourth proportional to 522,593.21, 721,186.47 and 293,201.21 is: 404,622.07
Step by Step Solution
- Step 1: Write the proportion equation
522,593.21 : 721,186.47 = 293,201.21 : x - Step 2: Convert to fraction form
522,593.21/721,186.47 = 293,201.21/x - Step 3: Cross multiply
522,593.21x = 721,186.47 × 293,201.21 - Step 4: Simplify right side
522,593.21x = 211,452,747,442.60 - Step 5: Solve for x
x = 211,452,747,442.60/522,593.21 - Step 6: Final answer
x = 404,622.07
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1.5x scale
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.