Finding the Fourth Proportional to 294,435.44, 406,320.97 and 160,299.44
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Solution
The fourth proportional to 294,435.44, 406,320.97 and 160,299.44 is: 221,213.26
Step by Step Solution
- Step 1: Write the proportion equation
294,435.44 : 406,320.97 = 160,299.44 : x - Step 2: Convert to fraction form
294,435.44/406,320.97 = 160,299.44/x - Step 3: Cross multiply
294,435.44x = 406,320.97 × 160,299.44 - Step 4: Simplify right side
294,435.44x = 65,133,021,518.90 - Step 5: Solve for x
x = 65,133,021,518.90/294,435.44 - Step 6: Final answer
x = 221,213.26
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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.