Finding the Fourth Proportional to 362,974.86, 500,913.99 and 201,836.70
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Solution
The fourth proportional to 362,974.86, 500,913.99 and 201,836.70 is: 278,539.47
Step by Step Solution
- Step 1: Write the proportion equation
362,974.86 : 500,913.99 = 201,836.70 : x - Step 2: Convert to fraction form
362,974.86/500,913.99 = 201,836.70/x - Step 3: Cross multiply
362,974.86x = 500,913.99 × 201,836.70 - Step 4: Simplify right side
362,974.86x = 101,102,826,725.43 - Step 5: Solve for x
x = 101,102,826,725.43/362,974.86 - Step 6: Final answer
x = 278,539.47
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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.