Finding the Fourth Proportional to 444,879.24, 667,432.61 and 129,336.14
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Solution
The fourth proportional to 444,879.24, 667,432.61 and 129,336.14 is: 194,037.28
Step by Step Solution
- Step 1: Write the proportion equation
444,879.24 : 667,432.61 = 129,336.14 : x - Step 2: Convert to fraction form
444,879.24/667,432.61 = 129,336.14/x - Step 3: Cross multiply
444,879.24x = 667,432.61 × 129,336.14 - Step 4: Simplify right side
444,879.24x = 86,323,158,994.44 - Step 5: Solve for x
x = 86,323,158,994.44/444,879.24 - Step 6: Final answer
x = 194,037.28
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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.