Finding the Fourth Proportional to 327,379.24, 490,576.38 and 221,833
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Solution
The fourth proportional to 327,379.24, 490,576.38 and 221,833 is: 332,415.79
Step by Step Solution
- Step 1: Write the proportion equation
327,379.24 : 490,576.38 = 221,833 : x - Step 2: Convert to fraction form
327,379.24/490,576.38 = 221,833/x - Step 3: Cross multiply
327,379.24x = 490,576.38 × 221,833 - Step 4: Simplify right side
327,379.24x = 108,826,030,104.54 - Step 5: Solve for x
x = 108,826,030,104.54/327,379.24 - Step 6: Final answer
x = 332,415.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.