Finding the Fourth Proportional to 574,741.08, 793,109.21 and 422,418.96
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Solution
The fourth proportional to 574,741.08, 793,109.21 and 422,418.96 is: 582,913.55
Step by Step Solution
- Step 1: Write the proportion equation
574,741.08 : 793,109.21 = 422,418.96 : x - Step 2: Convert to fraction form
574,741.08/793,109.21 = 422,418.96/x - Step 3: Cross multiply
574,741.08x = 793,109.21 × 422,418.96 - Step 4: Simplify right side
574,741.08x = 335,024,365,542.53 - Step 5: Solve for x
x = 335,024,365,542.53/574,741.08 - Step 6: Final answer
x = 582,913.55
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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.