Finding the Fourth Proportional to 352,378.10, 486,282.11 and 191,233.19
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Solution
The fourth proportional to 352,378.10, 486,282.11 and 191,233.19 is: 263,901.98
Step by Step Solution
- Step 1: Write the proportion equation
352,378.10 : 486,282.11 = 191,233.19 : x - Step 2: Convert to fraction form
352,378.10/486,282.11 = 191,233.19/x - Step 3: Cross multiply
352,378.10x = 486,282.11 × 191,233.19 - Step 4: Simplify right side
352,378.10x = 92,993,275,747.65 - Step 5: Solve for x
x = 92,993,275,747.65/352,378.10 - Step 6: Final answer
x = 263,901.98
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1.5x scale
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.