Finding the Fourth Proportional to 337,531.20, 465,573.57 and 216,480.75
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Solution
The fourth proportional to 337,531.20, 465,573.57 and 216,480.75 is: 298,602.66
Step by Step Solution
- Step 1: Write the proportion equation
337,531.20 : 465,573.57 = 216,480.75 : x - Step 2: Convert to fraction form
337,531.20/465,573.57 = 216,480.75/x - Step 3: Cross multiply
337,531.20x = 465,573.57 × 216,480.75 - Step 4: Simplify right side
337,531.20x = 100,787,715,613.78 - Step 5: Solve for x
x = 100,787,715,613.78/337,531.20 - Step 6: Final answer
x = 298,602.66
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1.5x scale
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.