Finding the Fourth Proportional to 264,857.80, 397,286.70 and 264,857.80
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Solution
The fourth proportional to 264,857.80, 397,286.70 and 264,857.80 is: 397,286.70
Step by Step Solution
- Step 1: Write the proportion equation
264,857.80 : 397,286.70 = 264,857.80 : x - Step 2: Convert to fraction form
264,857.80/397,286.70 = 264,857.80/x - Step 3: Cross multiply
264,857.80x = 397,286.70 × 264,857.80 - Step 4: Simplify right side
264,857.80x = 105,224,481,331.26 - Step 5: Solve for x
x = 105,224,481,331.26/264,857.80 - Step 6: Final answer
x = 397,286.70
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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.