Finding the Fourth Proportional to 696,717, 1,045,251 and 198,081
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Solution
The fourth proportional to 696,717, 1,045,251 and 198,081 is: 297,171.40
Step by Step Solution
- Step 1: Write the proportion equation
696,717 : 1,045,251 = 198,081 : x - Step 2: Convert to fraction form
696,717/1,045,251 = 198,081/x - Step 3: Cross multiply
696,717x = 1,045,251 × 198,081 - Step 4: Simplify right side
696,717x = 207,044,363,331 - Step 5: Solve for x
x = 207,044,363,331/696,717 - Step 6: Final answer
x = 297,171.40
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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.