Finding the Fourth Proportional to 296,443.58, 409,091.68 and 160,477.49
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Solution
The fourth proportional to 296,443.58, 409,091.68 and 160,477.49 is: 221,458.69
Step by Step Solution
- Step 1: Write the proportion equation
296,443.58 : 409,091.68 = 160,477.49 : x - Step 2: Convert to fraction form
296,443.58/409,091.68 = 160,477.49/x - Step 3: Cross multiply
296,443.58x = 409,091.68 × 160,477.49 - Step 4: Simplify right side
296,443.58x = 65,650,005,310.11 - Step 5: Solve for x
x = 65,650,005,310.11/296,443.58 - Step 6: Final answer
x = 221,458.69
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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.