Finding the Fourth Proportional to 416,154.24, 574,231.26 and 252,725.76
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Solution
The fourth proportional to 416,154.24, 574,231.26 and 252,725.76 is: 348,724.15
Step by Step Solution
- Step 1: Write the proportion equation
416,154.24 : 574,231.26 = 252,725.76 : x - Step 2: Convert to fraction form
416,154.24/574,231.26 = 252,725.76/x - Step 3: Cross multiply
416,154.24x = 574,231.26 × 252,725.76 - Step 4: Simplify right side
416,154.24x = 145,123,031,599.26 - Step 5: Solve for x
x = 145,123,031,599.26/416,154.24 - Step 6: Final answer
x = 348,724.15
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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.