Finding the Fourth Proportional to 576.69, 796.85 and 453.33
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Solution
The fourth proportional to 576.69, 796.85 and 453.33 is: 626.40
Step by Step Solution
- Step 1: Write the proportion equation
576.69 : 796.85 = 453.33 : x - Step 2: Convert to fraction form
576.69/796.85 = 453.33/x - Step 3: Cross multiply
576.69x = 796.85 × 453.33 - Step 4: Simplify right side
576.69x = 361,236.01 - Step 5: Solve for x
x = 361,236.01/576.69 - Step 6: Final answer
x = 626.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.