Finding the Fourth Proportional to 274,720.24, 412,015.66 and 74,993.12
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Solution
The fourth proportional to 274,720.24, 412,015.66 and 74,993.12 is: 112,472.02
Step by Step Solution
- Step 1: Write the proportion equation
274,720.24 : 412,015.66 = 74,993.12 : x - Step 2: Convert to fraction form
274,720.24/412,015.66 = 74,993.12/x - Step 3: Cross multiply
274,720.24x = 412,015.66 × 74,993.12 - Step 4: Simplify right side
274,720.24x = 30,898,339,832.26 - Step 5: Solve for x
x = 30,898,339,832.26/274,720.24 - Step 6: Final answer
x = 112,472.02
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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.