Finding the Fourth Proportional to 396,571.09, 594,134.91 and 354,055.81
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Solution
The fourth proportional to 396,571.09, 594,134.91 and 354,055.81 is: 530,439.37
Step by Step Solution
- Step 1: Write the proportion equation
396,571.09 : 594,134.91 = 354,055.81 : x - Step 2: Convert to fraction form
396,571.09/594,134.91 = 354,055.81/x - Step 3: Cross multiply
396,571.09x = 594,134.91 × 354,055.81 - Step 4: Simplify right side
396,571.09x = 210,356,916,209.13 - Step 5: Solve for x
x = 210,356,916,209.13/396,571.09 - Step 6: Final answer
x = 530,439.37
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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.