Finding the Fourth Proportional to 328,949.44, 453,901.08 and 192,932.08
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Solution
The fourth proportional to 328,949.44, 453,901.08 and 192,932.08 is: 266,217.45
Step by Step Solution
- Step 1: Write the proportion equation
328,949.44 : 453,901.08 = 192,932.08 : x - Step 2: Convert to fraction form
328,949.44/453,901.08 = 192,932.08/x - Step 3: Cross multiply
328,949.44x = 453,901.08 × 192,932.08 - Step 4: Simplify right side
328,949.44x = 87,572,079,478.65 - Step 5: Solve for x
x = 87,572,079,478.65/328,949.44 - Step 6: Final answer
x = 266,217.45
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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.