Finding the Fourth Proportional to 350,921.36, 483,832.60 and 292,861.68
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Solution
The fourth proportional to 350,921.36, 483,832.60 and 292,861.68 is: 403,782.85
Step by Step Solution
- Step 1: Write the proportion equation
350,921.36 : 483,832.60 = 292,861.68 : x - Step 2: Convert to fraction form
350,921.36/483,832.60 = 292,861.68/x - Step 3: Cross multiply
350,921.36x = 483,832.60 × 292,861.68 - Step 4: Simplify right side
350,921.36x = 141,696,028,074.77 - Step 5: Solve for x
x = 141,696,028,074.77/350,921.36 - Step 6: Final answer
x = 403,782.85
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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.