Finding the Fourth Proportional to 481,351.76, 722,138.37 and 161,546.07
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Solution
The fourth proportional to 481,351.76, 722,138.37 and 161,546.07 is: 242,356.27
Step by Step Solution
- Step 1: Write the proportion equation
481,351.76 : 722,138.37 = 161,546.07 : x - Step 2: Convert to fraction form
481,351.76/722,138.37 = 161,546.07/x - Step 3: Cross multiply
481,351.76x = 722,138.37 × 161,546.07 - Step 4: Simplify right side
481,351.76x = 116,658,615,669.71 - Step 5: Solve for x
x = 116,658,615,669.71/481,351.76 - Step 6: Final answer
x = 242,356.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.