Finding the Fourth Proportional to 409,891.15, 565,650.79 and 228,614.82
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Solution
The fourth proportional to 409,891.15, 565,650.79 and 228,614.82 is: 315,489.01
Step by Step Solution
- Step 1: Write the proportion equation
409,891.15 : 565,650.79 = 228,614.82 : x - Step 2: Convert to fraction form
409,891.15/565,650.79 = 228,614.82/x - Step 3: Cross multiply
409,891.15x = 565,650.79 × 228,614.82 - Step 4: Simplify right side
409,891.15x = 129,316,151,480.68 - Step 5: Solve for x
x = 129,316,151,480.68/409,891.15 - Step 6: Final answer
x = 315,489.01
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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.