Finding the Fourth Proportional to 317,236.97, 437,803.08 and 174,010.37
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Solution
The fourth proportional to 317,236.97, 437,803.08 and 174,010.37 is: 240,143.12
Step by Step Solution
- Step 1: Write the proportion equation
317,236.97 : 437,803.08 = 174,010.37 : x - Step 2: Convert to fraction form
317,236.97/437,803.08 = 174,010.37/x - Step 3: Cross multiply
317,236.97x = 437,803.08 × 174,010.37 - Step 4: Simplify right side
317,236.97x = 76,182,275,937.94 - Step 5: Solve for x
x = 76,182,275,937.94/317,236.97 - Step 6: Final answer
x = 240,143.12
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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.