Finding the Fourth Proportional to 880.36, 1,320.54 and 367
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Solution
The fourth proportional to 880.36, 1,320.54 and 367 is: 550.50
Step by Step Solution
- Step 1: Write the proportion equation
880.36 : 1,320.54 = 367 : x - Step 2: Convert to fraction form
880.36/1,320.54 = 367/x - Step 3: Cross multiply
880.36x = 1,320.54 × 367 - Step 4: Simplify right side
880.36x = 484,638.18 - Step 5: Solve for x
x = 484,638.18/880.36 - Step 6: Final answer
x = 550.50
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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.