Finding the Fourth Proportional to 202,338.70, 283,688.90 and 202,338.70
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Solution
The fourth proportional to 202,338.70, 283,688.90 and 202,338.70 is: 283,688.90
Step by Step Solution
- Step 1: Write the proportion equation
202,338.70 : 283,688.90 = 202,338.70 : x - Step 2: Convert to fraction form
202,338.70/283,688.90 = 202,338.70/x - Step 3: Cross multiply
202,338.70x = 283,688.90 × 202,338.70 - Step 4: Simplify right side
202,338.70x = 57,401,243,230.43 - Step 5: Solve for x
x = 57,401,243,230.43/202,338.70 - Step 6: Final answer
x = 283,688.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.