Finding the Fourth Proportional to 326,929.80, 451,163.52 and 183,689.76
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Solution
The fourth proportional to 326,929.80, 451,163.52 and 183,689.76 is: 253,492.09
Step by Step Solution
- Step 1: Write the proportion equation
326,929.80 : 451,163.52 = 183,689.76 : x - Step 2: Convert to fraction form
326,929.80/451,163.52 = 183,689.76/x - Step 3: Cross multiply
326,929.80x = 451,163.52 × 183,689.76 - Step 4: Simplify right side
326,929.80x = 82,874,118,709.56 - Step 5: Solve for x
x = 82,874,118,709.56/326,929.80 - Step 6: Final answer
x = 253,492.09
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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.