Finding the Fourth Proportional to 533,843.94, 736,704.64 and 292,126.56
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Solution
The fourth proportional to 533,843.94, 736,704.64 and 292,126.56 is: 403,134.65
Step by Step Solution
- Step 1: Write the proportion equation
533,843.94 : 736,704.64 = 292,126.56 : x - Step 2: Convert to fraction form
533,843.94/736,704.64 = 292,126.56/x - Step 3: Cross multiply
533,843.94x = 736,704.64 × 292,126.56 - Step 4: Simplify right side
533,843.94x = 215,210,992,219.24 - Step 5: Solve for x
x = 215,210,992,219.24/533,843.94 - Step 6: Final answer
x = 403,134.65
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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.