Finding the Fourth Proportional to 491,426.94, 737,139.79 and 154,497
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Solution
The fourth proportional to 491,426.94, 737,139.79 and 154,497 is: 231,745.31
Step by Step Solution
- Step 1: Write the proportion equation
491,426.94 : 737,139.79 = 154,497 : x - Step 2: Convert to fraction form
491,426.94/737,139.79 = 154,497/x - Step 3: Cross multiply
491,426.94x = 737,139.79 × 154,497 - Step 4: Simplify right side
491,426.94x = 113,885,886,135.63 - Step 5: Solve for x
x = 113,885,886,135.63/491,426.94 - Step 6: Final answer
x = 231,745.31
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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.