Finding the Fourth Proportional to 416,224.13, 574,393.41 and 225,241.63
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Solution
The fourth proportional to 416,224.13, 574,393.41 and 225,241.63 is: 310,835.67
Step by Step Solution
- Step 1: Write the proportion equation
416,224.13 : 574,393.41 = 225,241.63 : x - Step 2: Convert to fraction form
416,224.13/574,393.41 = 225,241.63/x - Step 3: Cross multiply
416,224.13x = 574,393.41 × 225,241.63 - Step 4: Simplify right side
416,224.13x = 129,377,306,493.68 - Step 5: Solve for x
x = 129,377,306,493.68/416,224.13 - Step 6: Final answer
x = 310,835.67
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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.