Finding the Fourth Proportional to 366,919.18, 550,378.77 and 366,919.18
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Solution
The fourth proportional to 366,919.18, 550,378.77 and 366,919.18 is: 550,378.77
Step by Step Solution
- Step 1: Write the proportion equation
366,919.18 : 550,378.77 = 366,919.18 : x - Step 2: Convert to fraction form
366,919.18/550,378.77 = 366,919.18/x - Step 3: Cross multiply
366,919.18x = 550,378.77 × 366,919.18 - Step 4: Simplify right side
366,919.18x = 201,944,526,977.81 - Step 5: Solve for x
x = 201,944,526,977.81/366,919.18 - Step 6: Final answer
x = 550,378.77
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1.5x scale
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.