Finding the Fourth Proportional to 532,137.74, 734,021.69 and 379,224.92
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Solution
The fourth proportional to 532,137.74, 734,021.69 and 379,224.92 is: 523,096.37
Step by Step Solution
- Step 1: Write the proportion equation
532,137.74 : 734,021.69 = 379,224.92 : x - Step 2: Convert to fraction form
532,137.74/734,021.69 = 379,224.92/x - Step 3: Cross multiply
532,137.74x = 734,021.69 × 379,224.92 - Step 4: Simplify right side
532,137.74x = 278,359,316,607.44 - Step 5: Solve for x
x = 278,359,316,607.44/532,137.74 - Step 6: Final answer
x = 523,096.37
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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.