Finding the Fourth Proportional to 363,586.24, 545,408.52 and 126,923.68
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Solution
The fourth proportional to 363,586.24, 545,408.52 and 126,923.68 is: 190,395.70
Step by Step Solution
- Step 1: Write the proportion equation
363,586.24 : 545,408.52 = 126,923.68 : x - Step 2: Convert to fraction form
363,586.24/545,408.52 = 126,923.68/x - Step 3: Cross multiply
363,586.24x = 545,408.52 × 126,923.68 - Step 4: Simplify right side
363,586.24x = 69,225,256,461.75 - Step 5: Solve for x
x = 69,225,256,461.75/363,586.24 - Step 6: Final answer
x = 190,395.70
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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.