Finding the Fourth Proportional to 533,861.22, 736,728.54 and 292,143.84
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Solution
The fourth proportional to 533,861.22, 736,728.54 and 292,143.84 is: 403,158.53
Step by Step Solution
- Step 1: Write the proportion equation
533,861.22 : 736,728.54 = 292,143.84 : x - Step 2: Convert to fraction form
533,861.22/736,728.54 = 292,143.84/x - Step 3: Cross multiply
533,861.22x = 736,728.54 × 292,143.84 - Step 4: Simplify right side
533,861.22x = 215,230,704,713.19 - Step 5: Solve for x
x = 215,230,704,713.19/533,861.22 - Step 6: Final answer
x = 403,158.53
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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.