Finding the Fourth Proportional to 335,946.20, 503,919.30 and 125,556.80
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Solution
The fourth proportional to 335,946.20, 503,919.30 and 125,556.80 is: 188,335.20
Step by Step Solution
- Step 1: Write the proportion equation
335,946.20 : 503,919.30 = 125,556.80 : x - Step 2: Convert to fraction form
335,946.20/503,919.30 = 125,556.80/x - Step 3: Cross multiply
335,946.20x = 503,919.30 × 125,556.80 - Step 4: Simplify right side
335,946.20x = 63,270,494,766.24 - Step 5: Solve for x
x = 63,270,494,766.24/335,946.20 - Step 6: Final answer
x = 188,335.20
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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.