Finding the Fourth Proportional to 588,432.75, 812,037.20 and 320,160.75
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Solution
The fourth proportional to 588,432.75, 812,037.20 and 320,160.75 is: 441,821.84
Step by Step Solution
- Step 1: Write the proportion equation
588,432.75 : 812,037.20 = 320,160.75 : x - Step 2: Convert to fraction form
588,432.75/812,037.20 = 320,160.75/x - Step 3: Cross multiply
588,432.75x = 812,037.20 × 320,160.75 - Step 4: Simplify right side
588,432.75x = 259,982,437,379.10 - Step 5: Solve for x
x = 259,982,437,379.10/588,432.75 - Step 6: Final answer
x = 441,821.84
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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.