Finding the Fourth Proportional to 503,361.67, 694,639.20 and 277,007.17
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Solution
The fourth proportional to 503,361.67, 694,639.20 and 277,007.17 is: 382,269.95
Step by Step Solution
- Step 1: Write the proportion equation
503,361.67 : 694,639.20 = 277,007.17 : x - Step 2: Convert to fraction form
503,361.67/694,639.20 = 277,007.17/x - Step 3: Cross multiply
503,361.67x = 694,639.20 × 277,007.17 - Step 4: Simplify right side
503,361.67x = 192,420,038,963.06 - Step 5: Solve for x
x = 192,420,038,963.06/503,361.67 - Step 6: Final answer
x = 382,269.95
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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.