Finding the Fourth Proportional to 328,936.14, 453,790.35 and 193,011.66
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Solution
The fourth proportional to 328,936.14, 453,790.35 and 193,011.66 is: 266,273.05
Step by Step Solution
- Step 1: Write the proportion equation
328,936.14 : 453,790.35 = 193,011.66 : x - Step 2: Convert to fraction form
328,936.14/453,790.35 = 193,011.66/x - Step 3: Cross multiply
328,936.14x = 453,790.35 × 193,011.66 - Step 4: Simplify right side
328,936.14x = 87,586,828,745.48 - Step 5: Solve for x
x = 87,586,828,745.48/328,936.14 - Step 6: Final answer
x = 266,273.05
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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.