Finding the Fourth Proportional to 355,039.44, 489,958.35 and 193,899.24
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Solution
The fourth proportional to 355,039.44, 489,958.35 and 193,899.24 is: 267,583.09
Step by Step Solution
- Step 1: Write the proportion equation
355,039.44 : 489,958.35 = 193,899.24 : x - Step 2: Convert to fraction form
355,039.44/489,958.35 = 193,899.24/x - Step 3: Cross multiply
355,039.44x = 489,958.35 × 193,899.24 - Step 4: Simplify right side
355,039.44x = 95,002,551,696.65 - Step 5: Solve for x
x = 95,002,551,696.65/355,039.44 - Step 6: Final answer
x = 267,583.09
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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.