Finding the Fourth Proportional to 294,348.20, 441,588.09 and 107,359.70
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Solution
The fourth proportional to 294,348.20, 441,588.09 and 107,359.70 is: 161,063.54
Step by Step Solution
- Step 1: Write the proportion equation
294,348.20 : 441,588.09 = 107,359.70 : x - Step 2: Convert to fraction form
294,348.20/441,588.09 = 107,359.70/x - Step 3: Cross multiply
294,348.20x = 441,588.09 × 107,359.70 - Step 4: Simplify right side
294,348.20x = 47,408,762,658.03 - Step 5: Solve for x
x = 47,408,762,658.03/294,348.20 - Step 6: Final answer
x = 161,063.54
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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.