Finding the Fourth Proportional to 547,546.67, 755,606.44 and 305,832.68
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Solution
The fourth proportional to 547,546.67, 755,606.44 and 305,832.68 is: 422,044.65
Step by Step Solution
- Step 1: Write the proportion equation
547,546.67 : 755,606.44 = 305,832.68 : x - Step 2: Convert to fraction form
547,546.67/755,606.44 = 305,832.68/x - Step 3: Cross multiply
547,546.67x = 755,606.44 × 305,832.68 - Step 4: Simplify right side
547,546.67x = 231,089,142,570.46 - Step 5: Solve for x
x = 231,089,142,570.46/547,546.67 - Step 6: Final answer
x = 422,044.65
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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.