Finding the Fourth Proportional to 561,905.44, 842,858.97 and 229,481.44
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Solution
The fourth proportional to 561,905.44, 842,858.97 and 229,481.44 is: 344,222.49
Step by Step Solution
- Step 1: Write the proportion equation
561,905.44 : 842,858.97 = 229,481.44 : x - Step 2: Convert to fraction form
561,905.44/842,858.97 = 229,481.44/x - Step 3: Cross multiply
561,905.44x = 842,858.97 × 229,481.44 - Step 4: Simplify right side
561,905.44x = 193,420,487,184.81 - Step 5: Solve for x
x = 193,420,487,184.81/561,905.44 - Step 6: Final answer
x = 344,222.49
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1.5x scale
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.