Finding the Fourth Proportional to 464,286.19, 696,626.11 and 253,678.09
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Solution
The fourth proportional to 464,286.19, 696,626.11 and 253,678.09 is: 380,624.67
Step by Step Solution
- Step 1: Write the proportion equation
464,286.19 : 696,626.11 = 253,678.09 : x - Step 2: Convert to fraction form
464,286.19/696,626.11 = 253,678.09/x - Step 3: Cross multiply
464,286.19x = 696,626.11 × 253,678.09 - Step 4: Simplify right side
464,286.19x = 176,718,777,545.80 - Step 5: Solve for x
x = 176,718,777,545.80/464,286.19 - Step 6: Final answer
x = 380,624.67
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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.