Finding the Fourth Proportional to 562,114.63, 775,793.28 and 317,149.66
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Solution
The fourth proportional to 562,114.63, 775,793.28 and 317,149.66 is: 437,708.90
Step by Step Solution
- Step 1: Write the proportion equation
562,114.63 : 775,793.28 = 317,149.66 : x - Step 2: Convert to fraction form
562,114.63/775,793.28 = 317,149.66/x - Step 3: Cross multiply
562,114.63x = 775,793.28 × 317,149.66 - Step 4: Simplify right side
562,114.63x = 246,042,574,982.29 - Step 5: Solve for x
x = 246,042,574,982.29/562,114.63 - Step 6: Final answer
x = 437,708.90
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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.