Finding the Fourth Proportional to 247,469.18, 341,515.04 and 145,476
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Solution
The fourth proportional to 247,469.18, 341,515.04 and 145,476 is: 200,761.33
Step by Step Solution
- Step 1: Write the proportion equation
247,469.18 : 341,515.04 = 145,476 : x - Step 2: Convert to fraction form
247,469.18/341,515.04 = 145,476/x - Step 3: Cross multiply
247,469.18x = 341,515.04 × 145,476 - Step 4: Simplify right side
247,469.18x = 49,682,241,231.66 - Step 5: Solve for x
x = 49,682,241,231.66/247,469.18 - Step 6: Final answer
x = 200,761.33
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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.