Finding the Fourth Proportional to 327,163.36, 490,749.36 and 116,813.92
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Solution
The fourth proportional to 327,163.36, 490,749.36 and 116,813.92 is: 175,222.42
Step by Step Solution
- Step 1: Write the proportion equation
327,163.36 : 490,749.36 = 116,813.92 : x - Step 2: Convert to fraction form
327,163.36/490,749.36 = 116,813.92/x - Step 3: Cross multiply
327,163.36x = 490,749.36 × 116,813.92 - Step 4: Simplify right side
327,163.36x = 57,326,356,479.09 - Step 5: Solve for x
x = 57,326,356,479.09/327,163.36 - Step 6: Final answer
x = 175,222.42
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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.