Finding the Fourth Proportional to 293,822.40, 440,733.60 and 276,107.70
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Solution
The fourth proportional to 293,822.40, 440,733.60 and 276,107.70 is: 414,161.55
Step by Step Solution
- Step 1: Write the proportion equation
293,822.40 : 440,733.60 = 276,107.70 : x - Step 2: Convert to fraction form
293,822.40/440,733.60 = 276,107.70/x - Step 3: Cross multiply
293,822.40x = 440,733.60 × 276,107.70 - Step 4: Simplify right side
293,822.40x = 121,689,940,608.72 - Step 5: Solve for x
x = 121,689,940,608.72/293,822.40 - Step 6: Final answer
x = 414,161.55
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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.