Finding the Fourth Proportional to 543,129.60, 814,367.12 and 243,556
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Solution
The fourth proportional to 543,129.60, 814,367.12 and 243,556 is: 365,187.24
Step by Step Solution
- Step 1: Write the proportion equation
543,129.60 : 814,367.12 = 243,556 : x - Step 2: Convert to fraction form
543,129.60/814,367.12 = 243,556/x - Step 3: Cross multiply
543,129.60x = 814,367.12 × 243,556 - Step 4: Simplify right side
543,129.60x = 198,343,998,278.72 - Step 5: Solve for x
x = 198,343,998,278.72/543,129.60 - Step 6: Final answer
x = 365,187.24
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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.