Finding the Fourth Proportional to 296,682.22, 409,422.72 and 160,716.17
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Solution
The fourth proportional to 296,682.22, 409,422.72 and 160,716.17 is: 221,788.99
Step by Step Solution
- Step 1: Write the proportion equation
296,682.22 : 409,422.72 = 160,716.17 : x - Step 2: Convert to fraction form
296,682.22/409,422.72 = 160,716.17/x - Step 3: Cross multiply
296,682.22x = 409,422.72 × 160,716.17 - Step 4: Simplify right side
296,682.22x = 65,800,851,074.19 - Step 5: Solve for x
x = 65,800,851,074.19/296,682.22 - Step 6: Final answer
x = 221,788.99
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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.