Finding the Fourth Proportional to 481,791.93, 664,845.07 and 266,919.18
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Solution
The fourth proportional to 481,791.93, 664,845.07 and 266,919.18 is: 368,333.07
Step by Step Solution
- Step 1: Write the proportion equation
481,791.93 : 664,845.07 = 266,919.18 : x - Step 2: Convert to fraction form
481,791.93/664,845.07 = 266,919.18/x - Step 3: Cross multiply
481,791.93x = 664,845.07 × 266,919.18 - Step 4: Simplify right side
481,791.93x = 177,459,900,911.44 - Step 5: Solve for x
x = 177,459,900,911.44/481,791.93 - Step 6: Final answer
x = 368,333.07
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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.