Finding the Fourth Proportional to 1,382,443, 2,073,664.50 and 331,819
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Solution
The fourth proportional to 1,382,443, 2,073,664.50 and 331,819 is: 497,728.50
Step by Step Solution
- Step 1: Write the proportion equation
1,382,443 : 2,073,664.50 = 331,819 : x - Step 2: Convert to fraction form
1,382,443/2,073,664.50 = 331,819/x - Step 3: Cross multiply
1,382,443x = 2,073,664.50 × 331,819 - Step 4: Simplify right side
1,382,443x = 688,081,280,725.50 - Step 5: Solve for x
x = 688,081,280,725.50/1,382,443 - Step 6: Final answer
x = 497,728.50
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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.