Finding the Fourth Proportional to 378,585.73, 567,755.66 and 125,798.33
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Solution
The fourth proportional to 378,585.73, 567,755.66 and 125,798.33 is: 188,656.65
Step by Step Solution
- Step 1: Write the proportion equation
378,585.73 : 567,755.66 = 125,798.33 : x - Step 2: Convert to fraction form
378,585.73/567,755.66 = 125,798.33/x - Step 3: Cross multiply
378,585.73x = 567,755.66 × 125,798.33 - Step 4: Simplify right side
378,585.73x = 71,422,715,609.93 - Step 5: Solve for x
x = 71,422,715,609.93/378,585.73 - Step 6: Final answer
x = 188,656.65
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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.