Finding the Fourth Proportional to 491,862.04, 737,793.60 and 136,876.84
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Solution
The fourth proportional to 491,862.04, 737,793.60 and 136,876.84 is: 205,315.41
Step by Step Solution
- Step 1: Write the proportion equation
491,862.04 : 737,793.60 = 136,876.84 : x - Step 2: Convert to fraction form
491,862.04/737,793.60 = 136,876.84/x - Step 3: Cross multiply
491,862.04x = 737,793.60 × 136,876.84 - Step 4: Simplify right side
491,862.04x = 100,986,856,540.22 - Step 5: Solve for x
x = 100,986,856,540.22/491,862.04 - Step 6: Final answer
x = 205,315.41
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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.