Finding the Fourth Proportional to 283,865.92, 391,733.79 and 154,804.05
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Solution
The fourth proportional to 283,865.92, 391,733.79 and 154,804.05 is: 213,628.95
Step by Step Solution
- Step 1: Write the proportion equation
283,865.92 : 391,733.79 = 154,804.05 : x - Step 2: Convert to fraction form
283,865.92/391,733.79 = 154,804.05/x - Step 3: Cross multiply
283,865.92x = 391,733.79 × 154,804.05 - Step 4: Simplify right side
283,865.92x = 60,641,977,388.62 - Step 5: Solve for x
x = 60,641,977,388.62/283,865.92 - Step 6: Final answer
x = 213,628.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.