Finding the Fourth Proportional to 494,479.20, 741,718.80 and 295,024.80
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Solution
The fourth proportional to 494,479.20, 741,718.80 and 295,024.80 is: 442,537.20
Step by Step Solution
- Step 1: Write the proportion equation
494,479.20 : 741,718.80 = 295,024.80 : x - Step 2: Convert to fraction form
494,479.20/741,718.80 = 295,024.80/x - Step 3: Cross multiply
494,479.20x = 741,718.80 × 295,024.80 - Step 4: Simplify right side
494,479.20x = 218,825,440,626.24 - Step 5: Solve for x
x = 218,825,440,626.24/494,479.20 - Step 6: Final answer
x = 442,537.20
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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.