Finding the Fourth Proportional to 328,930.14, 453,934.60 and 201,581.14
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Solution
The fourth proportional to 328,930.14, 453,934.60 and 201,581.14 is: 278,188.72
Step by Step Solution
- Step 1: Write the proportion equation
328,930.14 : 453,934.60 = 201,581.14 : x - Step 2: Convert to fraction form
328,930.14/453,934.60 = 201,581.14/x - Step 3: Cross multiply
328,930.14x = 453,934.60 × 201,581.14 - Step 4: Simplify right side
328,930.14x = 91,504,654,153.44 - Step 5: Solve for x
x = 91,504,654,153.44/328,930.14 - Step 6: Final answer
x = 278,188.72
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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.