Finding the Fourth Proportional to 775,240.97, 1,162,861.47 and 242,803.67
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Solution
The fourth proportional to 775,240.97, 1,162,861.47 and 242,803.67 is: 364,205.51
Step by Step Solution
- Step 1: Write the proportion equation
775,240.97 : 1,162,861.47 = 242,803.67 : x - Step 2: Convert to fraction form
775,240.97/1,162,861.47 = 242,803.67/x - Step 3: Cross multiply
775,240.97x = 1,162,861.47 × 242,803.67 - Step 4: Simplify right side
775,240.97x = 282,347,035,524.75 - Step 5: Solve for x
x = 282,347,035,524.75/775,240.97 - Step 6: Final answer
x = 364,205.51
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Double scale
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Similar ratio
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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.