Finding the Fourth Proportional to 403,771.97, 557,230.19 and 222,483.87
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Solution
The fourth proportional to 403,771.97, 557,230.19 and 222,483.87 is: 307,041.45
Step by Step Solution
- Step 1: Write the proportion equation
403,771.97 : 557,230.19 = 222,483.87 : x - Step 2: Convert to fraction form
403,771.97/557,230.19 = 222,483.87/x - Step 3: Cross multiply
403,771.97x = 557,230.19 × 222,483.87 - Step 4: Simplify right side
403,771.97x = 123,974,728,039.62 - Step 5: Solve for x
x = 123,974,728,039.62/403,771.97 - Step 6: Final answer
x = 307,041.45
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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.