Finding the Fourth Proportional to 395,997.44, 593,936.01 and 129,752.06
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Solution
The fourth proportional to 395,997.44, 593,936.01 and 129,752.06 is: 194,608.38
Step by Step Solution
- Step 1: Write the proportion equation
395,997.44 : 593,936.01 = 129,752.06 : x - Step 2: Convert to fraction form
395,997.44/593,936.01 = 129,752.06/x - Step 3: Cross multiply
395,997.44x = 593,936.01 × 129,752.06 - Step 4: Simplify right side
395,997.44x = 77,064,420,805.68 - Step 5: Solve for x
x = 77,064,420,805.68/395,997.44 - Step 6: Final answer
x = 194,608.38
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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.