Finding the Fourth Proportional to 366,919.05, 550,378.58 and 323,616.45
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Solution
The fourth proportional to 366,919.05, 550,378.58 and 323,616.45 is: 485,424.68
Step by Step Solution
- Step 1: Write the proportion equation
366,919.05 : 550,378.58 = 323,616.45 : x - Step 2: Convert to fraction form
366,919.05/550,378.58 = 323,616.45/x - Step 3: Cross multiply
366,919.05x = 550,378.58 × 323,616.45 - Step 4: Simplify right side
366,919.05x = 178,111,560,597.56 - Step 5: Solve for x
x = 178,111,560,597.56/366,919.05 - Step 6: Final answer
x = 485,424.68
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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.