Finding the Fourth Proportional to 434,171.43, 599,149.58 and 243,184.23
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Solution
The fourth proportional to 434,171.43, 599,149.58 and 243,184.23 is: 335,590.32
Step by Step Solution
- Step 1: Write the proportion equation
434,171.43 : 599,149.58 = 243,184.23 : x - Step 2: Convert to fraction form
434,171.43/599,149.58 = 243,184.23/x - Step 3: Cross multiply
434,171.43x = 599,149.58 × 243,184.23 - Step 4: Simplify right side
434,171.43x = 145,703,728,051.20 - Step 5: Solve for x
x = 145,703,728,051.20/434,171.43 - Step 6: Final answer
x = 335,590.32
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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.