Finding the Fourth Proportional to 437,433.99, 603,658.90 and 236,229.99
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Solution
The fourth proportional to 437,433.99, 603,658.90 and 236,229.99 is: 325,997.38
Step by Step Solution
- Step 1: Write the proportion equation
437,433.99 : 603,658.90 = 236,229.99 : x - Step 2: Convert to fraction form
437,433.99/603,658.90 = 236,229.99/x - Step 3: Cross multiply
437,433.99x = 603,658.90 × 236,229.99 - Step 4: Simplify right side
437,433.99x = 142,602,333,056.12 - Step 5: Solve for x
x = 142,602,333,056.12/437,433.99 - Step 6: Final answer
x = 325,997.38
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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.