Finding the Fourth Proportional to 481,368.40, 664,283.82 and 277,344.52
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Solution
The fourth proportional to 481,368.40, 664,283.82 and 277,344.52 is: 382,732.80
Step by Step Solution
- Step 1: Write the proportion equation
481,368.40 : 664,283.82 = 277,344.52 : x - Step 2: Convert to fraction form
481,368.40/664,283.82 = 277,344.52/x - Step 3: Cross multiply
481,368.40x = 664,283.82 × 277,344.52 - Step 4: Simplify right side
481,368.40x = 184,235,477,201.67 - Step 5: Solve for x
x = 184,235,477,201.67/481,368.40 - Step 6: Final answer
x = 382,732.80
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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.