Finding the Fourth Proportional to 416,299.64, 574,604.42 and 235,117.62
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Solution
The fourth proportional to 416,299.64, 574,604.42 and 235,117.62 is: 324,524.96
Step by Step Solution
- Step 1: Write the proportion equation
416,299.64 : 574,604.42 = 235,117.62 : x - Step 2: Convert to fraction form
416,299.64/574,604.42 = 235,117.62/x - Step 3: Cross multiply
416,299.64x = 574,604.42 × 235,117.62 - Step 4: Simplify right side
416,299.64x = 135,099,622,496.29 - Step 5: Solve for x
x = 135,099,622,496.29/416,299.64 - Step 6: Final answer
x = 324,524.96
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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.