Finding the Fourth Proportional to 410,886.88, 616,361.28 and 122,675.70
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Solution
The fourth proportional to 410,886.88, 616,361.28 and 122,675.70 is: 184,022.79
Step by Step Solution
- Step 1: Write the proportion equation
410,886.88 : 616,361.28 = 122,675.70 : x - Step 2: Convert to fraction form
410,886.88/616,361.28 = 122,675.70/x - Step 3: Cross multiply
410,886.88x = 616,361.28 × 122,675.70 - Step 4: Simplify right side
410,886.88x = 75,612,551,476.90 - Step 5: Solve for x
x = 75,612,551,476.90/410,886.88 - Step 6: Final answer
x = 184,022.79
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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.