Finding the Fourth Proportional to 683,627.07, 943,393.84 and 377,716.20
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Solution
The fourth proportional to 683,627.07, 943,393.84 and 377,716.20 is: 521,241.98
Step by Step Solution
- Step 1: Write the proportion equation
683,627.07 : 943,393.84 = 377,716.20 : x - Step 2: Convert to fraction form
683,627.07/943,393.84 = 377,716.20/x - Step 3: Cross multiply
683,627.07x = 943,393.84 × 377,716.20 - Step 4: Simplify right side
683,627.07x = 356,335,131,866.19 - Step 5: Solve for x
x = 356,335,131,866.19/683,627.07 - Step 6: Final answer
x = 521,241.98
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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.