Finding the Fourth Proportional to 416,029.24, 574,120.10 and 225,042.62
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Solution
The fourth proportional to 416,029.24, 574,120.10 and 225,042.62 is: 310,558.68
Step by Step Solution
- Step 1: Write the proportion equation
416,029.24 : 574,120.10 = 225,042.62 : x - Step 2: Convert to fraction form
416,029.24/574,120.10 = 225,042.62/x - Step 3: Cross multiply
416,029.24x = 574,120.10 × 225,042.62 - Step 4: Simplify right side
416,029.24x = 129,201,491,498.66 - Step 5: Solve for x
x = 129,201,491,498.66/416,029.24 - Step 6: Final answer
x = 310,558.68
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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.