Finding the Fourth Proportional to 352,229.36, 528,325.64 and 115,540.88
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Solution
The fourth proportional to 352,229.36, 528,325.64 and 115,540.88 is: 173,305.28
Step by Step Solution
- Step 1: Write the proportion equation
352,229.36 : 528,325.64 = 115,540.88 : x - Step 2: Convert to fraction form
352,229.36/528,325.64 = 115,540.88/x - Step 3: Cross multiply
352,229.36x = 528,325.64 × 115,540.88 - Step 4: Simplify right side
352,229.36x = 61,043,209,372.16 - Step 5: Solve for x
x = 61,043,209,372.16/352,229.36 - Step 6: Final answer
x = 173,305.28
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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.