Finding the Fourth Proportional to 293,445.75, 404,959.34 and 170,934.98
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Solution
The fourth proportional to 293,445.75, 404,959.34 and 170,934.98 is: 235,892.72
Step by Step Solution
- Step 1: Write the proportion equation
293,445.75 : 404,959.34 = 170,934.98 : x - Step 2: Convert to fraction form
293,445.75/404,959.34 = 170,934.98/x - Step 3: Cross multiply
293,445.75x = 404,959.34 × 170,934.98 - Step 4: Simplify right side
293,445.75x = 69,221,716,841.44 - Step 5: Solve for x
x = 69,221,716,841.44/293,445.75 - Step 6: Final answer
x = 235,892.72
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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.