Finding the Fourth Proportional to 344,190.83, 474,982.83 and 191,243.09
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Solution
The fourth proportional to 344,190.83, 474,982.83 and 191,243.09 is: 263,915.17
Step by Step Solution
- Step 1: Write the proportion equation
344,190.83 : 474,982.83 = 191,243.09 : x - Step 2: Convert to fraction form
344,190.83/474,982.83 = 191,243.09/x - Step 3: Cross multiply
344,190.83x = 474,982.83 × 191,243.09 - Step 4: Simplify right side
344,190.83x = 90,837,181,731.23 - Step 5: Solve for x
x = 90,837,181,731.23/344,190.83 - Step 6: Final answer
x = 263,915.17
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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.