Finding the Fourth Proportional to 500.34, 692 and 396.46
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Solution
The fourth proportional to 500.34, 692 and 396.46 is: 548.33
Step by Step Solution
- Step 1: Write the proportion equation
500.34 : 692 = 396.46 : x - Step 2: Convert to fraction form
500.34/692 = 396.46/x - Step 3: Cross multiply
500.34x = 692 × 396.46 - Step 4: Simplify right side
500.34x = 274,350.32 - Step 5: Solve for x
x = 274,350.32/500.34 - Step 6: Final answer
x = 548.33
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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.