Finding the Fourth Proportional to 412,668.56, 618,977.36 and 146,394
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Solution
The fourth proportional to 412,668.56, 618,977.36 and 146,394 is: 219,581.96
Step by Step Solution
- Step 1: Write the proportion equation
412,668.56 : 618,977.36 = 146,394 : x - Step 2: Convert to fraction form
412,668.56/618,977.36 = 146,394/x - Step 3: Cross multiply
412,668.56x = 618,977.36 × 146,394 - Step 4: Simplify right side
412,668.56x = 90,614,571,639.84 - Step 5: Solve for x
x = 90,614,571,639.84/412,668.56 - Step 6: Final answer
x = 219,581.96
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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.