Finding the Fourth Proportional to 292,640.44, 403,841.28 and 158,504.44
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Solution
The fourth proportional to 292,640.44, 403,841.28 and 158,504.44 is: 218,734.76
Step by Step Solution
- Step 1: Write the proportion equation
292,640.44 : 403,841.28 = 158,504.44 : x - Step 2: Convert to fraction form
292,640.44/403,841.28 = 158,504.44/x - Step 3: Cross multiply
292,640.44x = 403,841.28 × 158,504.44 - Step 4: Simplify right side
292,640.44x = 64,010,635,935.28 - Step 5: Solve for x
x = 64,010,635,935.28/292,640.44 - Step 6: Final answer
x = 218,734.76
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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.