Finding the Fourth Proportional to 446,239.13, 669,358.69 and 113,815.13
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Solution
The fourth proportional to 446,239.13, 669,358.69 and 113,815.13 is: 170,722.69
Step by Step Solution
- Step 1: Write the proportion equation
446,239.13 : 669,358.69 = 113,815.13 : x - Step 2: Convert to fraction form
446,239.13/669,358.69 = 113,815.13/x - Step 3: Cross multiply
446,239.13x = 669,358.69 × 113,815.13 - Step 4: Simplify right side
446,239.13x = 76,183,142,687.65 - Step 5: Solve for x
x = 76,183,142,687.65/446,239.13 - Step 6: Final answer
x = 170,722.69
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1.5x scale
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.