Finding the Fourth Proportional to 625,249.94, 863,041.11 and 398,895.26
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Solution
The fourth proportional to 625,249.94, 863,041.11 and 398,895.26 is: 550,600.63
Step by Step Solution
- Step 1: Write the proportion equation
625,249.94 : 863,041.11 = 398,895.26 : x - Step 2: Convert to fraction form
625,249.94/863,041.11 = 398,895.26/x - Step 3: Cross multiply
625,249.94x = 863,041.11 × 398,895.26 - Step 4: Simplify right side
625,249.94x = 344,263,007,964.14 - Step 5: Solve for x
x = 344,263,007,964.14/625,249.94 - Step 6: Final answer
x = 550,600.63
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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.