Finding the Fourth Proportional to 222,511.70, 312,303.70 and 222,511.70
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Solution
The fourth proportional to 222,511.70, 312,303.70 and 222,511.70 is: 312,303.70
Step by Step Solution
- Step 1: Write the proportion equation
222,511.70 : 312,303.70 = 222,511.70 : x - Step 2: Convert to fraction form
222,511.70/312,303.70 = 222,511.70/x - Step 3: Cross multiply
222,511.70x = 312,303.70 × 222,511.70 - Step 4: Simplify right side
222,511.70x = 69,491,227,203.29 - Step 5: Solve for x
x = 69,491,227,203.29/222,511.70 - Step 6: Final answer
x = 312,303.70
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1.5x scale
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.