Finding the Fourth Proportional to 535.44, 804.38 and 433.38
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Solution
The fourth proportional to 535.44, 804.38 and 433.38 is: 651.05
Step by Step Solution
- Step 1: Write the proportion equation
535.44 : 804.38 = 433.38 : x - Step 2: Convert to fraction form
535.44/804.38 = 433.38/x - Step 3: Cross multiply
535.44x = 804.38 × 433.38 - Step 4: Simplify right side
535.44x = 348,600.04 - Step 5: Solve for x
x = 348,600.04/535.44 - Step 6: Final answer
x = 651.05
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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.