Finding the Fourth Proportional to 590,628.70, 885,943.05 and 164,163.70
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Solution
The fourth proportional to 590,628.70, 885,943.05 and 164,163.70 is: 246,245.55
Step by Step Solution
- Step 1: Write the proportion equation
590,628.70 : 885,943.05 = 164,163.70 : x - Step 2: Convert to fraction form
590,628.70/885,943.05 = 164,163.70/x - Step 3: Cross multiply
590,628.70x = 885,943.05 × 164,163.70 - Step 4: Simplify right side
590,628.70x = 145,439,689,077.29 - Step 5: Solve for x
x = 145,439,689,077.29/590,628.70 - Step 6: Final answer
x = 246,245.55
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Similar ratio
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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.