Finding the Fourth Proportional to 532,523.70, 798,785.55 and 322,571.70
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Solution
The fourth proportional to 532,523.70, 798,785.55 and 322,571.70 is: 483,857.55
Step by Step Solution
- Step 1: Write the proportion equation
532,523.70 : 798,785.55 = 322,571.70 : x - Step 2: Convert to fraction form
532,523.70/798,785.55 = 322,571.70/x - Step 3: Cross multiply
532,523.70x = 798,785.55 × 322,571.70 - Step 4: Simplify right side
532,523.70x = 257,665,612,798.94 - Step 5: Solve for x
x = 257,665,612,798.94/532,523.70 - Step 6: Final answer
x = 483,857.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.