Finding the Fourth Proportional to 584.48, 876 and 391.52
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Solution
The fourth proportional to 584.48, 876 and 391.52 is: 586.80
Step by Step Solution
- Step 1: Write the proportion equation
584.48 : 876 = 391.52 : x - Step 2: Convert to fraction form
584.48/876 = 391.52/x - Step 3: Cross multiply
584.48x = 876 × 391.52 - Step 4: Simplify right side
584.48x = 342,971.52 - Step 5: Solve for x
x = 342,971.52/584.48 - Step 6: Final answer
x = 586.80
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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.