Finding the Fourth Proportional to 416,153.99, 574,230.92 and 252,725.49
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Solution
The fourth proportional to 416,153.99, 574,230.92 and 252,725.49 is: 348,723.77
Step by Step Solution
- Step 1: Write the proportion equation
416,153.99 : 574,230.92 = 252,725.49 : x - Step 2: Convert to fraction form
416,153.99/574,230.92 = 252,725.49/x - Step 3: Cross multiply
416,153.99x = 574,230.92 × 252,725.49 - Step 4: Simplify right side
416,153.99x = 145,122,789,366.52 - Step 5: Solve for x
x = 145,122,789,366.52/416,153.99 - Step 6: Final answer
x = 348,723.77
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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.