Finding the Fourth Proportional to 434,682.44, 599,890.62 and 243,708.20
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Solution
The fourth proportional to 434,682.44, 599,890.62 and 243,708.20 is: 336,333.49
Step by Step Solution
- Step 1: Write the proportion equation
434,682.44 : 599,890.62 = 243,708.20 : x - Step 2: Convert to fraction form
434,682.44/599,890.62 = 243,708.20/x - Step 3: Cross multiply
434,682.44x = 599,890.62 × 243,708.20 - Step 4: Simplify right side
434,682.44x = 146,198,263,197.08 - Step 5: Solve for x
x = 146,198,263,197.08/434,682.44 - Step 6: Final answer
x = 336,333.49
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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.