Finding the Fourth Proportional to 441,427.88, 662,137.08 and 292,335.20
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Solution
The fourth proportional to 441,427.88, 662,137.08 and 292,335.20 is: 438,499.66
Step by Step Solution
- Step 1: Write the proportion equation
441,427.88 : 662,137.08 = 292,335.20 : x - Step 2: Convert to fraction form
441,427.88/662,137.08 = 292,335.20/x - Step 3: Cross multiply
441,427.88x = 662,137.08 × 292,335.20 - Step 4: Simplify right side
441,427.88x = 193,565,975,709.22 - Step 5: Solve for x
x = 193,565,975,709.22/441,427.88 - Step 6: Final answer
x = 438,499.66
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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.