Finding the Fourth Proportional to 531.60, 796.36 and 474.40
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Solution
The fourth proportional to 531.60, 796.36 and 474.40 is: 710.67
Step by Step Solution
- Step 1: Write the proportion equation
531.60 : 796.36 = 474.40 : x - Step 2: Convert to fraction form
531.60/796.36 = 474.40/x - Step 3: Cross multiply
531.60x = 796.36 × 474.40 - Step 4: Simplify right side
531.60x = 377,793.18 - Step 5: Solve for x
x = 377,793.18/531.60 - Step 6: Final answer
x = 710.67
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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.