Finding the Fourth Proportional to 468,971.68, 703,374.96 and 136,469.92
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Solution
The fourth proportional to 468,971.68, 703,374.96 and 136,469.92 is: 204,680.86
Step by Step Solution
- Step 1: Write the proportion equation
468,971.68 : 703,374.96 = 136,469.92 : x - Step 2: Convert to fraction form
468,971.68/703,374.96 = 136,469.92/x - Step 3: Cross multiply
468,971.68x = 703,374.96 × 136,469.92 - Step 4: Simplify right side
468,971.68x = 95,989,524,521.20 - Step 5: Solve for x
x = 95,989,524,521.20/468,971.68 - Step 6: Final answer
x = 204,680.86
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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.