Finding the Fourth Proportional to 443,243.63, 664,865.45 and 110,819.63
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Solution
The fourth proportional to 443,243.63, 664,865.45 and 110,819.63 is: 166,229.44
Step by Step Solution
- Step 1: Write the proportion equation
443,243.63 : 664,865.45 = 110,819.63 : x - Step 2: Convert to fraction form
443,243.63/664,865.45 = 110,819.63/x - Step 3: Cross multiply
443,243.63x = 664,865.45 × 110,819.63 - Step 4: Simplify right side
443,243.63x = 73,680,140,121.51 - Step 5: Solve for x
x = 73,680,140,121.51/443,243.63 - Step 6: Final answer
x = 166,229.44
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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.