Finding the Fourth Proportional to 372,059.12, 513,351.68 and 236,044.13
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Solution
The fourth proportional to 372,059.12, 513,351.68 and 236,044.13 is: 325,683.85
Step by Step Solution
- Step 1: Write the proportion equation
372,059.12 : 513,351.68 = 236,044.13 : x - Step 2: Convert to fraction form
372,059.12/513,351.68 = 236,044.13/x - Step 3: Cross multiply
372,059.12x = 513,351.68 × 236,044.13 - Step 4: Simplify right side
372,059.12x = 121,173,646,942.66 - Step 5: Solve for x
x = 121,173,646,942.66/372,059.12 - Step 6: Final answer
x = 325,683.85
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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.