Finding the Fourth Proportional to 273,329.46, 409,963.77 and 73,669.68
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Solution
The fourth proportional to 273,329.46, 409,963.77 and 73,669.68 is: 110,496.32
Step by Step Solution
- Step 1: Write the proportion equation
273,329.46 : 409,963.77 = 73,669.68 : x - Step 2: Convert to fraction form
273,329.46/409,963.77 = 73,669.68/x - Step 3: Cross multiply
273,329.46x = 409,963.77 × 73,669.68 - Step 4: Simplify right side
273,329.46x = 30,201,899,747.49 - Step 5: Solve for x
x = 30,201,899,747.49/273,329.46 - Step 6: Final answer
x = 110,496.32
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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.