Finding the Fourth Proportional to 363,234.60, 544,722.30 and 138,536.28
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Solution
The fourth proportional to 363,234.60, 544,722.30 and 138,536.28 is: 207,754.99
Step by Step Solution
- Step 1: Write the proportion equation
363,234.60 : 544,722.30 = 138,536.28 : x - Step 2: Convert to fraction form
363,234.60/544,722.30 = 138,536.28/x - Step 3: Cross multiply
363,234.60x = 544,722.30 × 138,536.28 - Step 4: Simplify right side
363,234.60x = 75,463,801,075.04 - Step 5: Solve for x
x = 75,463,801,075.04/363,234.60 - Step 6: Final answer
x = 207,754.99
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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.