Finding the Fourth Proportional to 319,193.02, 440,517.41 and 238,480.44
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Solution
The fourth proportional to 319,193.02, 440,517.41 and 238,480.44 is: 329,126.20
Step by Step Solution
- Step 1: Write the proportion equation
319,193.02 : 440,517.41 = 238,480.44 : x - Step 2: Convert to fraction form
319,193.02/440,517.41 = 238,480.44/x - Step 3: Cross multiply
319,193.02x = 440,517.41 × 238,480.44 - Step 4: Simplify right side
319,193.02x = 105,054,785,764.46 - Step 5: Solve for x
x = 105,054,785,764.46/319,193.02 - Step 6: Final answer
x = 329,126.20
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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.