Finding the Fourth Proportional to 437,069.09, 603,173.94 and 243,476.56
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Solution
The fourth proportional to 437,069.09, 603,173.94 and 243,476.56 is: 336,008.02
Step by Step Solution
- Step 1: Write the proportion equation
437,069.09 : 603,173.94 = 243,476.56 : x - Step 2: Convert to fraction form
437,069.09/603,173.94 = 243,476.56/x - Step 3: Cross multiply
437,069.09x = 603,173.94 × 243,476.56 - Step 4: Simplify right side
437,069.09x = 146,858,715,992.85 - Step 5: Solve for x
x = 146,858,715,992.85/437,069.09 - Step 6: Final answer
x = 336,008.02
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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.