Finding the Fourth Proportional to 394,390.14, 544,370.04 and 233,301.19
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Solution
The fourth proportional to 394,390.14, 544,370.04 and 233,301.19 is: 322,021.68
Step by Step Solution
- Step 1: Write the proportion equation
394,390.14 : 544,370.04 = 233,301.19 : x - Step 2: Convert to fraction form
394,390.14/544,370.04 = 233,301.19/x - Step 3: Cross multiply
394,390.14x = 544,370.04 × 233,301.19 - Step 4: Simplify right side
394,390.14x = 127,002,176,917.24 - Step 5: Solve for x
x = 127,002,176,917.24/394,390.14 - Step 6: Final answer
x = 322,021.68
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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.