Finding the Fourth Proportional to 468,718.38, 703,181.97 and 258,247.98
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Solution
The fourth proportional to 468,718.38, 703,181.97 and 258,247.98 is: 387,429.49
Step by Step Solution
- Step 1: Write the proportion equation
468,718.38 : 703,181.97 = 258,247.98 : x - Step 2: Convert to fraction form
468,718.38/703,181.97 = 258,247.98/x - Step 3: Cross multiply
468,718.38x = 703,181.97 × 258,247.98 - Step 4: Simplify right side
468,718.38x = 181,595,323,324.92 - Step 5: Solve for x
x = 181,595,323,324.92/468,718.38 - Step 6: Final answer
x = 387,429.49
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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.