Finding the Fourth Proportional to 673,850.81, 929,907.02 and 367,926.23
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Solution
The fourth proportional to 673,850.81, 929,907.02 and 367,926.23 is: 507,734.32
Step by Step Solution
- Step 1: Write the proportion equation
673,850.81 : 929,907.02 = 367,926.23 : x - Step 2: Convert to fraction form
673,850.81/929,907.02 = 367,926.23/x - Step 3: Cross multiply
673,850.81x = 929,907.02 × 367,926.23 - Step 4: Simplify right side
673,850.81x = 342,137,177,629.97 - Step 5: Solve for x
x = 342,137,177,629.97/673,850.81 - Step 6: Final answer
x = 507,734.32
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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.