Finding the Fourth Proportional to 350,336.05, 483,463.75 and 189,191.09
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Solution
The fourth proportional to 350,336.05, 483,463.75 and 189,191.09 is: 261,083.70
Step by Step Solution
- Step 1: Write the proportion equation
350,336.05 : 483,463.75 = 189,191.09 : x - Step 2: Convert to fraction form
350,336.05/483,463.75 = 189,191.09/x - Step 3: Cross multiply
350,336.05x = 483,463.75 × 189,191.09 - Step 4: Simplify right side
350,336.05x = 91,467,030,947.69 - Step 5: Solve for x
x = 91,467,030,947.69/350,336.05 - Step 6: Final answer
x = 261,083.70
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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.