Finding the Fourth Proportional to 683,458.62, 943,163.06 and 373,357.44
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Solution
The fourth proportional to 683,458.62, 943,163.06 and 373,357.44 is: 515,227.89
Step by Step Solution
- Step 1: Write the proportion equation
683,458.62 : 943,163.06 = 373,357.44 : x - Step 2: Convert to fraction form
683,458.62/943,163.06 = 373,357.44/x - Step 3: Cross multiply
683,458.62x = 943,163.06 × 373,357.44 - Step 4: Simplify right side
683,458.62x = 352,136,945,584.17 - Step 5: Solve for x
x = 352,136,945,584.17/683,458.62 - Step 6: Final answer
x = 515,227.89
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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.