Finding the Fourth Proportional to 316,120.24, 435,893.88 and 235,595.44
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Solution
The fourth proportional to 316,120.24, 435,893.88 and 235,595.44 is: 324,859.33
Step by Step Solution
- Step 1: Write the proportion equation
316,120.24 : 435,893.88 = 235,595.44 : x - Step 2: Convert to fraction form
316,120.24/435,893.88 = 235,595.44/x - Step 3: Cross multiply
316,120.24x = 435,893.88 × 235,595.44 - Step 4: Simplify right side
316,120.24x = 102,694,610,451.91 - Step 5: Solve for x
x = 102,694,610,451.91/316,120.24 - Step 6: Final answer
x = 324,859.33
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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.