Finding the Fourth Proportional to 275,717.40, 413,138.70 and 182,113.80
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Solution
The fourth proportional to 275,717.40, 413,138.70 and 182,113.80 is: 272,881.79
Step by Step Solution
- Step 1: Write the proportion equation
275,717.40 : 413,138.70 = 182,113.80 : x - Step 2: Convert to fraction form
275,717.40/413,138.70 = 182,113.80/x - Step 3: Cross multiply
275,717.40x = 413,138.70 × 182,113.80 - Step 4: Simplify right side
275,717.40x = 75,238,258,584.06 - Step 5: Solve for x
x = 75,238,258,584.06/275,717.40 - Step 6: Final answer
x = 272,881.79
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1.5x scale
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.