Finding the Fourth Proportional to 448,148.97, 618,437.57 and 244,201.23
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Solution
The fourth proportional to 448,148.97, 618,437.57 and 244,201.23 is: 336,993.33
Step by Step Solution
- Step 1: Write the proportion equation
448,148.97 : 618,437.57 = 244,201.23 : x - Step 2: Convert to fraction form
448,148.97/618,437.57 = 244,201.23/x - Step 3: Cross multiply
448,148.97x = 618,437.57 × 244,201.23 - Step 4: Simplify right side
448,148.97x = 151,023,214,051.21 - Step 5: Solve for x
x = 151,023,214,051.21/448,148.97 - Step 6: Final answer
x = 336,993.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.