Finding the Fourth Proportional to 328,660.14, 493,163.79 and 233,214.11
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Solution
The fourth proportional to 328,660.14, 493,163.79 and 233,214.11 is: 349,944.33
Step by Step Solution
- Step 1: Write the proportion equation
328,660.14 : 493,163.79 = 233,214.11 : x - Step 2: Convert to fraction form
328,660.14/493,163.79 = 233,214.11/x - Step 3: Cross multiply
328,660.14x = 493,163.79 × 233,214.11 - Step 4: Simplify right side
328,660.14x = 115,012,751,903.26 - Step 5: Solve for x
x = 115,012,751,903.26/328,660.14 - Step 6: Final answer
x = 349,944.33
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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.