Finding the Fourth Proportional to 416,772.20, 624,236.70 and 167,325.80
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Solution
The fourth proportional to 416,772.20, 624,236.70 and 167,325.80 is: 250,618.70
Step by Step Solution
- Step 1: Write the proportion equation
416,772.20 : 624,236.70 = 167,325.80 : x - Step 2: Convert to fraction form
416,772.20/624,236.70 = 167,325.80/x - Step 3: Cross multiply
416,772.20x = 624,236.70 × 167,325.80 - Step 4: Simplify right side
416,772.20x = 104,450,905,216.86 - Step 5: Solve for x
x = 104,450,905,216.86/416,772.20 - Step 6: Final answer
x = 250,618.70
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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.