Finding the Fourth Proportional to 444,676.18, 667,032.72 and 129,133.09
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Solution
The fourth proportional to 444,676.18, 667,032.72 and 129,133.09 is: 193,704.99
Step by Step Solution
- Step 1: Write the proportion equation
444,676.18 : 667,032.72 = 129,133.09 : x - Step 2: Convert to fraction form
444,676.18/667,032.72 = 129,133.09/x - Step 3: Cross multiply
444,676.18x = 667,032.72 × 129,133.09 - Step 4: Simplify right side
444,676.18x = 86,135,996,264.70 - Step 5: Solve for x
x = 86,135,996,264.70/444,676.18 - Step 6: Final answer
x = 193,704.99
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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.