Finding the Fourth Proportional to 636,512.05, 878,362.19 and 350,015.05
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Solution
The fourth proportional to 636,512.05, 878,362.19 and 350,015.05 is: 483,007.33
Step by Step Solution
- Step 1: Write the proportion equation
636,512.05 : 878,362.19 = 350,015.05 : x - Step 2: Convert to fraction form
636,512.05/878,362.19 = 350,015.05/x - Step 3: Cross multiply
636,512.05x = 878,362.19 × 350,015.05 - Step 4: Simplify right side
636,512.05x = 307,439,982,334.19 - Step 5: Solve for x
x = 307,439,982,334.19/636,512.05 - Step 6: Final answer
x = 483,007.33
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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.