Finding the Fourth Proportional to 467,115.44, 644,582.76 and 263,157.44
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Solution
The fourth proportional to 467,115.44, 644,582.76 and 263,157.44 is: 363,136.68
Step by Step Solution
- Step 1: Write the proportion equation
467,115.44 : 644,582.76 = 263,157.44 : x - Step 2: Convert to fraction form
467,115.44/644,582.76 = 263,157.44/x - Step 3: Cross multiply
467,115.44x = 644,582.76 × 263,157.44 - Step 4: Simplify right side
467,115.44x = 169,626,748,989.73 - Step 5: Solve for x
x = 169,626,748,989.73/467,115.44 - Step 6: Final answer
x = 363,136.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.