Finding the Fourth Proportional to 424,374.57, 585,625.17 and 233,388.09
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Solution
The fourth proportional to 424,374.57, 585,625.17 and 233,388.09 is: 322,069.11
Step by Step Solution
- Step 1: Write the proportion equation
424,374.57 : 585,625.17 = 233,388.09 : x - Step 2: Convert to fraction form
424,374.57/585,625.17 = 233,388.09/x - Step 3: Cross multiply
424,374.57x = 585,625.17 × 233,388.09 - Step 4: Simplify right side
424,374.57x = 136,677,939,882.23 - Step 5: Solve for x
x = 136,677,939,882.23/424,374.57 - Step 6: Final answer
x = 322,069.11
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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.