Finding the Fourth Proportional to 355,966.44, 533,935.84 and 131,229.68
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Solution
The fourth proportional to 355,966.44, 533,935.84 and 131,229.68 is: 196,839.43
Step by Step Solution
- Step 1: Write the proportion equation
355,966.44 : 533,935.84 = 131,229.68 : x - Step 2: Convert to fraction form
355,966.44/533,935.84 = 131,229.68/x - Step 3: Cross multiply
355,966.44x = 533,935.84 × 131,229.68 - Step 4: Simplify right side
355,966.44x = 70,068,229,423.73 - Step 5: Solve for x
x = 70,068,229,423.73/355,966.44 - Step 6: Final answer
x = 196,839.43
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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.