Finding the Fourth Proportional to 424,389.16, 585,658.67 and 233,414.56
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Solution
The fourth proportional to 424,389.16, 585,658.67 and 233,414.56 is: 322,112.99
Step by Step Solution
- Step 1: Write the proportion equation
424,389.16 : 585,658.67 = 233,414.56 : x - Step 2: Convert to fraction form
424,389.16/585,658.67 = 233,414.56/x - Step 3: Cross multiply
424,389.16x = 585,658.67 × 233,414.56 - Step 4: Simplify right side
424,389.16x = 136,701,260,768.24 - Step 5: Solve for x
x = 136,701,260,768.24/424,389.16 - Step 6: Final answer
x = 322,112.99
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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.