Finding the Fourth Proportional to 365,013.02, 503,685.18 and 203,845.70
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Solution
The fourth proportional to 365,013.02, 503,685.18 and 203,845.70 is: 281,288.75
Step by Step Solution
- Step 1: Write the proportion equation
365,013.02 : 503,685.18 = 203,845.70 : x - Step 2: Convert to fraction form
365,013.02/503,685.18 = 203,845.70/x - Step 3: Cross multiply
365,013.02x = 503,685.18 × 203,845.70 - Step 4: Simplify right side
365,013.02x = 102,674,055,578.30 - Step 5: Solve for x
x = 102,674,055,578.30/365,013.02 - Step 6: Final answer
x = 281,288.75
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1.5x scale
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.