Finding the Fourth Proportional to 328,887.31, 453,864.49 and 177,984.31
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Solution
The fourth proportional to 328,887.31, 453,864.49 and 177,984.31 is: 245,618.35
Step by Step Solution
- Step 1: Write the proportion equation
328,887.31 : 453,864.49 = 177,984.31 : x - Step 2: Convert to fraction form
328,887.31/453,864.49 = 177,984.31/x - Step 3: Cross multiply
328,887.31x = 453,864.49 × 177,984.31 - Step 4: Simplify right side
328,887.31x = 80,780,758,086.15 - Step 5: Solve for x
x = 80,780,758,086.15/328,887.31 - Step 6: Final answer
x = 245,618.35
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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.