Finding the Fourth Proportional to 332,278.80, 498,491.10 and 163,879.80
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Solution
The fourth proportional to 332,278.80, 498,491.10 and 163,879.80 is: 245,855.65
Step by Step Solution
- Step 1: Write the proportion equation
332,278.80 : 498,491.10 = 163,879.80 : x - Step 2: Convert to fraction form
332,278.80/498,491.10 = 163,879.80/x - Step 3: Cross multiply
332,278.80x = 498,491.10 × 163,879.80 - Step 4: Simplify right side
332,278.80x = 81,692,621,769.78 - Step 5: Solve for x
x = 81,692,621,769.78/332,278.80 - Step 6: Final answer
x = 245,855.65
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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.