Finding the Fourth Proportional to 363,241.26, 544,856.42 and 163,420.53
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Solution
The fourth proportional to 363,241.26, 544,856.42 and 163,420.53 is: 245,128.33
Step by Step Solution
- Step 1: Write the proportion equation
363,241.26 : 544,856.42 = 163,420.53 : x - Step 2: Convert to fraction form
363,241.26/544,856.42 = 163,420.53/x - Step 3: Cross multiply
363,241.26x = 544,856.42 × 163,420.53 - Step 4: Simplify right side
363,241.26x = 89,040,724,113.20 - Step 5: Solve for x
x = 89,040,724,113.20/363,241.26 - Step 6: Final answer
x = 245,128.33
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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.