Finding the Fourth Proportional to 396,579.26, 594,781.40 and 116,118.38
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Solution
The fourth proportional to 396,579.26, 594,781.40 and 116,118.38 is: 174,151.95
Step by Step Solution
- Step 1: Write the proportion equation
396,579.26 : 594,781.40 = 116,118.38 : x - Step 2: Convert to fraction form
396,579.26/594,781.40 = 116,118.38/x - Step 3: Cross multiply
396,579.26x = 594,781.40 × 116,118.38 - Step 4: Simplify right side
396,579.26x = 69,065,052,622.13 - Step 5: Solve for x
x = 69,065,052,622.13/396,579.26 - Step 6: Final answer
x = 174,151.95
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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.