Finding the Fourth Proportional to 338,717.97, 467,451.81 and 187,814.97
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Solution
The fourth proportional to 338,717.97, 467,451.81 and 187,814.97 is: 259,196.31
Step by Step Solution
- Step 1: Write the proportion equation
338,717.97 : 467,451.81 = 187,814.97 : x - Step 2: Convert to fraction form
338,717.97/467,451.81 = 187,814.97/x - Step 3: Cross multiply
338,717.97x = 467,451.81 × 187,814.97 - Step 4: Simplify right side
338,717.97x = 87,794,447,671.60 - Step 5: Solve for x
x = 87,794,447,671.60/338,717.97 - Step 6: Final answer
x = 259,196.31
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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.