Finding the Fourth Proportional to 416,228.23, 574,394.95 and 225,241.62
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Solution
The fourth proportional to 416,228.23, 574,394.95 and 225,241.62 is: 310,833.43
Step by Step Solution
- Step 1: Write the proportion equation
416,228.23 : 574,394.95 = 225,241.62 : x - Step 2: Convert to fraction form
416,228.23/574,394.95 = 225,241.62/x - Step 3: Cross multiply
416,228.23x = 574,394.95 × 225,241.62 - Step 4: Simplify right side
416,228.23x = 129,377,645,918.41 - Step 5: Solve for x
x = 129,377,645,918.41/416,228.23 - Step 6: Final answer
x = 310,833.43
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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.