Finding the Fourth Proportional to 313,798.60, 433,042.62 and 170,558.26
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Solution
The fourth proportional to 313,798.60, 433,042.62 and 170,558.26 is: 235,370.70
Step by Step Solution
- Step 1: Write the proportion equation
313,798.60 : 433,042.62 = 170,558.26 : x - Step 2: Convert to fraction form
313,798.60/433,042.62 = 170,558.26/x - Step 3: Cross multiply
313,798.60x = 433,042.62 × 170,558.26 - Step 4: Simplify right side
313,798.60x = 73,858,995,773.04 - Step 5: Solve for x
x = 73,858,995,773.04/313,798.60 - Step 6: Final answer
x = 235,370.70
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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.