Finding the Fourth Proportional to 533,144.05, 799,716.06 and 213,439.84
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Solution
The fourth proportional to 533,144.05, 799,716.06 and 213,439.84 is: 320,159.75
Step by Step Solution
- Step 1: Write the proportion equation
533,144.05 : 799,716.06 = 213,439.84 : x - Step 2: Convert to fraction form
533,144.05/799,716.06 = 213,439.84/x - Step 3: Cross multiply
533,144.05x = 799,716.06 × 213,439.84 - Step 4: Simplify right side
533,144.05x = 170,691,265,892.54 - Step 5: Solve for x
x = 170,691,265,892.54/533,144.05 - Step 6: Final answer
x = 320,159.75
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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.