Finding the Fourth Proportional to 669,116.44, 923,355.84 and 363,186.28
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Solution
The fourth proportional to 669,116.44, 923,355.84 and 363,186.28 is: 501,183.58
Step by Step Solution
- Step 1: Write the proportion equation
669,116.44 : 923,355.84 = 363,186.28 : x - Step 2: Convert to fraction form
669,116.44/923,355.84 = 363,186.28/x - Step 3: Cross multiply
669,116.44x = 923,355.84 × 363,186.28 - Step 4: Simplify right side
669,116.44x = 335,350,172,645.88 - Step 5: Solve for x
x = 335,350,172,645.88/669,116.44 - Step 6: Final answer
x = 501,183.58
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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.