Finding the Fourth Proportional to 303,139.80, 453,828.56 and 176,393.70
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Solution
The fourth proportional to 303,139.80, 453,828.56 and 176,393.70 is: 264,077.82
Step by Step Solution
- Step 1: Write the proportion equation
303,139.80 : 453,828.56 = 176,393.70 : x - Step 2: Convert to fraction form
303,139.80/453,828.56 = 176,393.70/x - Step 3: Cross multiply
303,139.80x = 453,828.56 × 176,393.70 - Step 4: Simplify right side
303,139.80x = 80,052,497,982.10 - Step 5: Solve for x
x = 80,052,497,982.10/303,139.80 - Step 6: Final answer
x = 264,077.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.