Finding the Fourth Proportional to 759,073.16, 1,138,591.58 and 246,737.65
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Solution
The fourth proportional to 759,073.16, 1,138,591.58 and 246,737.65 is: 370,100.57
Step by Step Solution
- Step 1: Write the proportion equation
759,073.16 : 1,138,591.58 = 246,737.65 : x - Step 2: Convert to fraction form
759,073.16/1,138,591.58 = 246,737.65/x - Step 3: Cross multiply
759,073.16x = 1,138,591.58 × 246,737.65 - Step 4: Simplify right side
759,073.16x = 280,933,410,758.99 - Step 5: Solve for x
x = 280,933,410,758.99/759,073.16 - Step 6: Final answer
x = 370,100.57
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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.