Finding the Fourth Proportional to 363,618.14, 545,486.28 and 107,476.70
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Solution
The fourth proportional to 363,618.14, 545,486.28 and 107,476.70 is: 161,232.51
Step by Step Solution
- Step 1: Write the proportion equation
363,618.14 : 545,486.28 = 107,476.70 : x - Step 2: Convert to fraction form
363,618.14/545,486.28 = 107,476.70/x - Step 3: Cross multiply
363,618.14x = 545,486.28 × 107,476.70 - Step 4: Simplify right side
363,618.14x = 58,627,065,269.68 - Step 5: Solve for x
x = 58,627,065,269.68/363,618.14 - Step 6: Final answer
x = 161,232.51
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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.