Finding the Fourth Proportional to 385,104.29, 577,474.14 and 225,226.49
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Solution
The fourth proportional to 385,104.29, 577,474.14 and 225,226.49 is: 337,733.12
Step by Step Solution
- Step 1: Write the proportion equation
385,104.29 : 577,474.14 = 225,226.49 : x - Step 2: Convert to fraction form
385,104.29/577,474.14 = 225,226.49/x - Step 3: Cross multiply
385,104.29x = 577,474.14 × 225,226.49 - Step 4: Simplify right side
385,104.29x = 130,062,473,617.97 - Step 5: Solve for x
x = 130,062,473,617.97/385,104.29 - Step 6: Final answer
x = 337,733.12
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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.