Finding the Fourth Proportional to 292,717.75, 403,950.90 and 158,581.75
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Solution
The fourth proportional to 292,717.75, 403,950.90 and 158,581.75 is: 218,843.03
Step by Step Solution
- Step 1: Write the proportion equation
292,717.75 : 403,950.90 = 158,581.75 : x - Step 2: Convert to fraction form
292,717.75/403,950.90 = 158,581.75/x - Step 3: Cross multiply
292,717.75x = 403,950.90 × 158,581.75 - Step 4: Simplify right side
292,717.75x = 64,059,240,636.08 - Step 5: Solve for x
x = 64,059,240,636.08/292,717.75 - Step 6: Final answer
x = 218,843.03
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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.