Finding the Fourth Proportional to 366,911.05, 512,569.55 and 366,911.05
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Solution
The fourth proportional to 366,911.05, 512,569.55 and 366,911.05 is: 512,569.55
Step by Step Solution
- Step 1: Write the proportion equation
366,911.05 : 512,569.55 = 366,911.05 : x - Step 2: Convert to fraction form
366,911.05/512,569.55 = 366,911.05/x - Step 3: Cross multiply
366,911.05x = 512,569.55 × 366,911.05 - Step 4: Simplify right side
366,911.05x = 188,067,431,788.53 - Step 5: Solve for x
x = 188,067,431,788.53/366,911.05 - Step 6: Final answer
x = 512,569.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.