Finding the Fourth Proportional to 572,168.20, 858,252.30 and 332,691.70
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Solution
The fourth proportional to 572,168.20, 858,252.30 and 332,691.70 is: 499,037.55
Step by Step Solution
- Step 1: Write the proportion equation
572,168.20 : 858,252.30 = 332,691.70 : x - Step 2: Convert to fraction form
572,168.20/858,252.30 = 332,691.70/x - Step 3: Cross multiply
572,168.20x = 858,252.30 × 332,691.70 - Step 4: Simplify right side
572,168.20x = 285,533,416,715.91 - Step 5: Solve for x
x = 285,533,416,715.91/572,168.20 - Step 6: Final answer
x = 499,037.55
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Double scale
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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.