Finding the Fourth Proportional to 363,600.24, 545,429.52 and 126,937.68
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Solution
The fourth proportional to 363,600.24, 545,429.52 and 126,937.68 is: 190,416.70
Step by Step Solution
- Step 1: Write the proportion equation
363,600.24 : 545,429.52 = 126,937.68 : x - Step 2: Convert to fraction form
363,600.24/545,429.52 = 126,937.68/x - Step 3: Cross multiply
363,600.24x = 545,429.52 × 126,937.68 - Step 4: Simplify right side
363,600.24x = 69,235,557,872.31 - Step 5: Solve for x
x = 69,235,557,872.31/363,600.24 - Step 6: Final answer
x = 190,416.70
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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.