Finding the Fourth Proportional to 424,593.12, 585,939.48 and 233,618.80
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Solution
The fourth proportional to 424,593.12, 585,939.48 and 233,618.80 is: 322,394.48
Step by Step Solution
- Step 1: Write the proportion equation
424,593.12 : 585,939.48 = 233,618.80 : x - Step 2: Convert to fraction form
424,593.12/585,939.48 = 233,618.80/x - Step 3: Cross multiply
424,593.12x = 585,939.48 × 233,618.80 - Step 4: Simplify right side
424,593.12x = 136,886,478,190.22 - Step 5: Solve for x
x = 136,886,478,190.22/424,593.12 - Step 6: Final answer
x = 322,394.48
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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.