Finding the Fourth Proportional to 833.44, 1,150.20 and 484
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Solution
The fourth proportional to 833.44, 1,150.20 and 484 is: 667.95
Step by Step Solution
- Step 1: Write the proportion equation
833.44 : 1,150.20 = 484 : x - Step 2: Convert to fraction form
833.44/1,150.20 = 484/x - Step 3: Cross multiply
833.44x = 1,150.20 × 484 - Step 4: Simplify right side
833.44x = 556,696.80 - Step 5: Solve for x
x = 556,696.80/833.44 - Step 6: Final answer
x = 667.95
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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.