Finding the Fourth Proportional to 612,078.28, 918,044.28 and 162,832
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Solution
The fourth proportional to 612,078.28, 918,044.28 and 162,832 is: 244,228.54
Step by Step Solution
- Step 1: Write the proportion equation
612,078.28 : 918,044.28 = 162,832 : x - Step 2: Convert to fraction form
612,078.28/918,044.28 = 162,832/x - Step 3: Cross multiply
612,078.28x = 918,044.28 × 162,832 - Step 4: Simplify right side
612,078.28x = 149,486,986,200.96 - Step 5: Solve for x
x = 149,486,986,200.96/612,078.28 - Step 6: Final answer
x = 244,228.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.