Finding the Fourth Proportional to 515,718.37, 773,576.87 and 195,869.62
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Solution
The fourth proportional to 515,718.37, 773,576.87 and 195,869.62 is: 293,804.17
Step by Step Solution
- Step 1: Write the proportion equation
515,718.37 : 773,576.87 = 195,869.62 : x - Step 2: Convert to fraction form
515,718.37/773,576.87 = 195,869.62/x - Step 3: Cross multiply
515,718.37x = 773,576.87 × 195,869.62 - Step 4: Simplify right side
515,718.37x = 151,520,207,555.31 - Step 5: Solve for x
x = 151,520,207,555.31/515,718.37 - Step 6: Final answer
x = 293,804.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.