Finding the Fourth Proportional to 424,431.09, 585,725.99 and 233,449.49
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Solution
The fourth proportional to 424,431.09, 585,725.99 and 233,449.49 is: 322,166.39
Step by Step Solution
- Step 1: Write the proportion equation
424,431.09 : 585,725.99 = 233,449.49 : x - Step 2: Convert to fraction form
424,431.09/585,725.99 = 233,449.49/x - Step 3: Cross multiply
424,431.09x = 585,725.99 × 233,449.49 - Step 4: Simplify right side
424,431.09x = 136,737,433,942.31 - Step 5: Solve for x
x = 136,737,433,942.31/424,431.09 - Step 6: Final answer
x = 322,166.39
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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.