Finding the Fourth Proportional to 416,589.18, 624,883.80 and 117,057.66
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Solution
The fourth proportional to 416,589.18, 624,883.80 and 117,057.66 is: 175,586.50
Step by Step Solution
- Step 1: Write the proportion equation
416,589.18 : 624,883.80 = 117,057.66 : x - Step 2: Convert to fraction form
416,589.18/624,883.80 = 117,057.66/x - Step 3: Cross multiply
416,589.18x = 624,883.80 × 117,057.66 - Step 4: Simplify right side
416,589.18x = 73,147,435,399.91 - Step 5: Solve for x
x = 73,147,435,399.91/416,589.18 - Step 6: Final answer
x = 175,586.50
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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.