Finding the Fourth Proportional to 467,158.97, 644,679.33 and 252,299.05
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Solution
The fourth proportional to 467,158.97, 644,679.33 and 252,299.05 is: 348,172.66
Step by Step Solution
- Step 1: Write the proportion equation
467,158.97 : 644,679.33 = 252,299.05 : x - Step 2: Convert to fraction form
467,158.97/644,679.33 = 252,299.05/x - Step 3: Cross multiply
467,158.97x = 644,679.33 × 252,299.05 - Step 4: Simplify right side
467,158.97x = 162,651,979,290.24 - Step 5: Solve for x
x = 162,651,979,290.24/467,158.97 - Step 6: Final answer
x = 348,172.66
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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.