Finding the Fourth Proportional to 294,515.10, 441,772.65 and 272,863.80
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Solution
The fourth proportional to 294,515.10, 441,772.65 and 272,863.80 is: 409,295.70
Step by Step Solution
- Step 1: Write the proportion equation
294,515.10 : 441,772.65 = 272,863.80 : x - Step 2: Convert to fraction form
294,515.10/441,772.65 = 272,863.80/x - Step 3: Cross multiply
294,515.10x = 441,772.65 × 272,863.80 - Step 4: Simplify right side
294,515.10x = 120,543,764,015.07 - Step 5: Solve for x
x = 120,543,764,015.07/294,515.10 - Step 6: Final answer
x = 409,295.70
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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.