Finding the Fourth Proportional to 409,779.14, 565,481.25 and 226,024.99
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Solution
The fourth proportional to 409,779.14, 565,481.25 and 226,024.99 is: 311,906.78
Step by Step Solution
- Step 1: Write the proportion equation
409,779.14 : 565,481.25 = 226,024.99 : x - Step 2: Convert to fraction form
409,779.14/565,481.25 = 226,024.99/x - Step 3: Cross multiply
409,779.14x = 565,481.25 × 226,024.99 - Step 4: Simplify right side
409,779.14x = 127,812,893,735.70 - Step 5: Solve for x
x = 127,812,893,735.70/409,779.14 - Step 6: Final answer
x = 311,906.78
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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.