Finding the Fourth Proportional to 347,237.65, 479,185.36 and 196,340.05
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Solution
The fourth proportional to 347,237.65, 479,185.36 and 196,340.05 is: 270,947.80
Step by Step Solution
- Step 1: Write the proportion equation
347,237.65 : 479,185.36 = 196,340.05 : x - Step 2: Convert to fraction form
347,237.65/479,185.36 = 196,340.05/x - Step 3: Cross multiply
347,237.65x = 479,185.36 × 196,340.05 - Step 4: Simplify right side
347,237.65x = 94,083,277,541.67 - Step 5: Solve for x
x = 94,083,277,541.67/347,237.65 - Step 6: Final answer
x = 270,947.80
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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.