Finding the Fourth Proportional to 547,811.99, 821,717.99 and 148,452.74
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Solution
The fourth proportional to 547,811.99, 821,717.99 and 148,452.74 is: 222,679.12
Step by Step Solution
- Step 1: Write the proportion equation
547,811.99 : 821,717.99 = 148,452.74 : x - Step 2: Convert to fraction form
547,811.99/821,717.99 = 148,452.74/x - Step 3: Cross multiply
547,811.99x = 821,717.99 × 148,452.74 - Step 4: Simplify right side
547,811.99x = 121,986,289,548.22 - Step 5: Solve for x
x = 121,986,289,548.22/547,811.99 - Step 6: Final answer
x = 222,679.12
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.