Finding the Fourth Proportional to 726,646, 1,090,144.08 and 228,010
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Solution
The fourth proportional to 726,646, 1,090,144.08 and 228,010 is: 342,069.94
Step by Step Solution
- Step 1: Write the proportion equation
726,646 : 1,090,144.08 = 228,010 : x - Step 2: Convert to fraction form
726,646/1,090,144.08 = 228,010/x - Step 3: Cross multiply
726,646x = 1,090,144.08 × 228,010 - Step 4: Simplify right side
726,646x = 248,563,751,680.80 - Step 5: Solve for x
x = 248,563,751,680.80/726,646 - Step 6: Final answer
x = 342,069.94
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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.