Finding the Fourth Proportional to 294,343.20, 440,858.70 and 241,855.20
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Solution
The fourth proportional to 294,343.20, 440,858.70 and 241,855.20 is: 362,243.70
Step by Step Solution
- Step 1: Write the proportion equation
294,343.20 : 440,858.70 = 241,855.20 : x - Step 2: Convert to fraction form
294,343.20/440,858.70 = 241,855.20/x - Step 3: Cross multiply
294,343.20x = 440,858.70 × 241,855.20 - Step 4: Simplify right side
294,343.20x = 106,623,969,060.24 - Step 5: Solve for x
x = 106,623,969,060.24/294,343.20 - Step 6: Final answer
x = 362,243.70
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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.