Finding the Fourth Proportional to 424,412.36, 585,685.99 and 233,421.65
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Solution
The fourth proportional to 424,412.36, 585,685.99 and 233,421.65 is: 322,120.19
Step by Step Solution
- Step 1: Write the proportion equation
424,412.36 : 585,685.99 = 233,421.65 : x - Step 2: Convert to fraction form
424,412.36/585,685.99 = 233,421.65/x - Step 3: Cross multiply
424,412.36x = 585,685.99 × 233,421.65 - Step 4: Simplify right side
424,412.36x = 136,711,790,167.68 - Step 5: Solve for x
x = 136,711,790,167.68/424,412.36 - Step 6: Final answer
x = 322,120.19
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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.