Finding the Fourth Proportional to 319,542.26, 440,819.70 and 190,408.26
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Solution
The fourth proportional to 319,542.26, 440,819.70 and 190,408.26 is: 262,674.84
Step by Step Solution
- Step 1: Write the proportion equation
319,542.26 : 440,819.70 = 190,408.26 : x - Step 2: Convert to fraction form
319,542.26/440,819.70 = 190,408.26/x - Step 3: Cross multiply
319,542.26x = 440,819.70 × 190,408.26 - Step 4: Simplify right side
319,542.26x = 83,935,712,050.72 - Step 5: Solve for x
x = 83,935,712,050.72/319,542.26 - Step 6: Final answer
x = 262,674.84
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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.