Finding the Fourth Proportional to 292,249.99, 403,583.52 and 276,328.40
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Solution
The fourth proportional to 292,249.99, 403,583.52 and 276,328.40 is: 381,596.55
Step by Step Solution
- Step 1: Write the proportion equation
292,249.99 : 403,583.52 = 276,328.40 : x - Step 2: Convert to fraction form
292,249.99/403,583.52 = 276,328.40/x - Step 3: Cross multiply
292,249.99x = 403,583.52 × 276,328.40 - Step 4: Simplify right side
292,249.99x = 111,521,586,993.60 - Step 5: Solve for x
x = 111,521,586,993.60/292,249.99 - Step 6: Final answer
x = 381,596.55
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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.