Finding the Fourth Proportional to 424,166.13, 585,351.09 and 233,191.80
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Solution
The fourth proportional to 424,166.13, 585,351.09 and 233,191.80 is: 321,805.69
Step by Step Solution
- Step 1: Write the proportion equation
424,166.13 : 585,351.09 = 233,191.80 : x - Step 2: Convert to fraction form
424,166.13/585,351.09 = 233,191.80/x - Step 3: Cross multiply
424,166.13x = 585,351.09 × 233,191.80 - Step 4: Simplify right side
424,166.13x = 136,499,074,309.06 - Step 5: Solve for x
x = 136,499,074,309.06/424,166.13 - Step 6: Final answer
x = 321,805.69
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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.