Finding the Fourth Proportional to 446,213.56, 615,546.30 and 284,899
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Solution
The fourth proportional to 446,213.56, 615,546.30 and 284,899 is: 393,014.78
Step by Step Solution
- Step 1: Write the proportion equation
446,213.56 : 615,546.30 = 284,899 : x - Step 2: Convert to fraction form
446,213.56/615,546.30 = 284,899/x - Step 3: Cross multiply
446,213.56x = 615,546.30 × 284,899 - Step 4: Simplify right side
446,213.56x = 175,368,525,323.70 - Step 5: Solve for x
x = 175,368,525,323.70/446,213.56 - Step 6: Final answer
x = 393,014.78
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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.