Finding the Fourth Proportional to 349,182.06, 481,879.80 and 196,211.09
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Solution
The fourth proportional to 349,182.06, 481,879.80 and 196,211.09 is: 270,776.12
Step by Step Solution
- Step 1: Write the proportion equation
349,182.06 : 481,879.80 = 196,211.09 : x - Step 2: Convert to fraction form
349,182.06/481,879.80 = 196,211.09/x - Step 3: Cross multiply
349,182.06x = 481,879.80 × 196,211.09 - Step 4: Simplify right side
349,182.06x = 94,550,162,011.68 - Step 5: Solve for x
x = 94,550,162,011.68/349,182.06 - Step 6: Final answer
x = 270,776.12
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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.