Finding the Fourth Proportional to 338,960.16, 467,631.63 and 195,692.49
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Solution
The fourth proportional to 338,960.16, 467,631.63 and 195,692.49 is: 269,978.63
Step by Step Solution
- Step 1: Write the proportion equation
338,960.16 : 467,631.63 = 195,692.49 : x - Step 2: Convert to fraction form
338,960.16/467,631.63 = 195,692.49/x - Step 3: Cross multiply
338,960.16x = 467,631.63 × 195,692.49 - Step 4: Simplify right side
338,960.16x = 91,511,998,077.46 - Step 5: Solve for x
x = 91,511,998,077.46/338,960.16 - Step 6: Final answer
x = 269,978.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.