Finding the Fourth Proportional to 424,432.59, 585,728.06 and 233,450.99
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Solution
The fourth proportional to 424,432.59, 585,728.06 and 233,450.99 is: 322,168.46
Step by Step Solution
- Step 1: Write the proportion equation
424,432.59 : 585,728.06 = 233,450.99 : x - Step 2: Convert to fraction form
424,432.59/585,728.06 = 233,450.99/x - Step 3: Cross multiply
424,432.59x = 585,728.06 × 233,450.99 - Step 4: Simplify right side
424,432.59x = 136,738,795,774.85 - Step 5: Solve for x
x = 136,738,795,774.85/424,432.59 - Step 6: Final answer
x = 322,168.46
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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.