Finding the Fourth Proportional to 413,769.13, 620,652.58 and 110,163.31
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Solution
The fourth proportional to 413,769.13, 620,652.58 and 110,163.31 is: 165,244.66
Step by Step Solution
- Step 1: Write the proportion equation
413,769.13 : 620,652.58 = 110,163.31 : x - Step 2: Convert to fraction form
413,769.13/620,652.58 = 110,163.31/x - Step 3: Cross multiply
413,769.13x = 620,652.58 × 110,163.31 - Step 4: Simplify right side
413,769.13x = 68,373,140,745.80 - Step 5: Solve for x
x = 68,373,140,745.80/413,769.13 - Step 6: Final answer
x = 165,244.66
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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.