Finding the Fourth Proportional to 494,418.25, 741,187.55 and 178,804.99
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Solution
The fourth proportional to 494,418.25, 741,187.55 and 178,804.99 is: 268,048.42
Step by Step Solution
- Step 1: Write the proportion equation
494,418.25 : 741,187.55 = 178,804.99 : x - Step 2: Convert to fraction form
494,418.25/741,187.55 = 178,804.99/x - Step 3: Cross multiply
494,418.25x = 741,187.55 × 178,804.99 - Step 4: Simplify right side
494,418.25x = 132,528,031,571.85 - Step 5: Solve for x
x = 132,528,031,571.85/494,418.25 - Step 6: Final answer
x = 268,048.42
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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.