Finding the Fourth Proportional to 413,842.60, 621,198.26 and 366,758.92
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Solution
The fourth proportional to 413,842.60, 621,198.26 and 366,758.92 is: 550,523.32
Step by Step Solution
- Step 1: Write the proportion equation
413,842.60 : 621,198.26 = 366,758.92 : x - Step 2: Convert to fraction form
413,842.60/621,198.26 = 366,758.92/x - Step 3: Cross multiply
413,842.60x = 621,198.26 × 366,758.92 - Step 4: Simplify right side
413,842.60x = 227,829,998,003.69 - Step 5: Solve for x
x = 227,829,998,003.69/413,842.60 - Step 6: Final answer
x = 550,523.32
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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.