Finding the Fourth Proportional to 200,489.36, 300,780.50 and 58,338
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Solution
The fourth proportional to 200,489.36, 300,780.50 and 58,338 is: 87,520.52
Step by Step Solution
- Step 1: Write the proportion equation
200,489.36 : 300,780.50 = 58,338 : x - Step 2: Convert to fraction form
200,489.36/300,780.50 = 58,338/x - Step 3: Cross multiply
200,489.36x = 300,780.50 × 58,338 - Step 4: Simplify right side
200,489.36x = 17,546,932,809 - Step 5: Solve for x
x = 17,546,932,809/200,489.36 - Step 6: Final answer
x = 87,520.52
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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.