Finding the Fourth Proportional to 416,790.24, 575,173.27 and 225,803.63
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Solution
The fourth proportional to 416,790.24, 575,173.27 and 225,803.63 is: 311,610.50
Step by Step Solution
- Step 1: Write the proportion equation
416,790.24 : 575,173.27 = 225,803.63 : x - Step 2: Convert to fraction form
416,790.24/575,173.27 = 225,803.63/x - Step 3: Cross multiply
416,790.24x = 575,173.27 × 225,803.63 - Step 4: Simplify right side
416,790.24x = 129,876,213,965.16 - Step 5: Solve for x
x = 129,876,213,965.16/416,790.24 - Step 6: Final answer
x = 311,610.50
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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.