Finding the Fourth Proportional to 268,707.68, 370,867.92 and 177,903.44
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Solution
The fourth proportional to 268,707.68, 370,867.92 and 177,903.44 is: 245,540.73
Step by Step Solution
- Step 1: Write the proportion equation
268,707.68 : 370,867.92 = 177,903.44 : x - Step 2: Convert to fraction form
268,707.68/370,867.92 = 177,903.44/x - Step 3: Cross multiply
268,707.68x = 370,867.92 × 177,903.44 - Step 4: Simplify right side
268,707.68x = 65,978,678,753.64 - Step 5: Solve for x
x = 65,978,678,753.64/268,707.68 - Step 6: Final answer
x = 245,540.73
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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.