Finding the Fourth Proportional to 366,929.99, 550,370.22 and 100,668.20
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Solution
The fourth proportional to 366,929.99, 550,370.22 and 100,668.20 is: 150,995.50
Step by Step Solution
- Step 1: Write the proportion equation
366,929.99 : 550,370.22 = 100,668.20 : x - Step 2: Convert to fraction form
366,929.99/550,370.22 = 100,668.20/x - Step 3: Cross multiply
366,929.99x = 550,370.22 × 100,668.20 - Step 4: Simplify right side
366,929.99x = 55,404,776,629.15 - Step 5: Solve for x
x = 55,404,776,629.15/366,929.99 - Step 6: Final answer
x = 150,995.50
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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.