Finding the Fourth Proportional to 306,758.28, 460,161.99 and 107,074.23
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Solution
The fourth proportional to 306,758.28, 460,161.99 and 107,074.23 is: 160,619.92
Step by Step Solution
- Step 1: Write the proportion equation
306,758.28 : 460,161.99 = 107,074.23 : x - Step 2: Convert to fraction form
306,758.28/460,161.99 = 107,074.23/x - Step 3: Cross multiply
306,758.28x = 460,161.99 × 107,074.23 - Step 4: Simplify right side
306,758.28x = 49,271,490,754.52 - Step 5: Solve for x
x = 49,271,490,754.52/306,758.28 - Step 6: Final answer
x = 160,619.92
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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.