Finding the Fourth Proportional to 430,074.49, 593,450.94 and 236,450.20
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Solution
The fourth proportional to 430,074.49, 593,450.94 and 236,450.20 is: 326,272.77
Step by Step Solution
- Step 1: Write the proportion equation
430,074.49 : 593,450.94 = 236,450.20 : x - Step 2: Convert to fraction form
430,074.49/593,450.94 = 236,450.20/x - Step 3: Cross multiply
430,074.49x = 593,450.94 × 236,450.20 - Step 4: Simplify right side
430,074.49x = 140,321,593,453.19 - Step 5: Solve for x
x = 140,321,593,453.19/430,074.49 - Step 6: Final answer
x = 326,272.77
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1.5x scale
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.