Finding the Fourth Proportional to 734,128.19, 1,101,190.15 and 201,649.73
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Solution
The fourth proportional to 734,128.19, 1,101,190.15 and 201,649.73 is: 302,474.00
Step by Step Solution
- Step 1: Write the proportion equation
734,128.19 : 1,101,190.15 = 201,649.73 : x - Step 2: Convert to fraction form
734,128.19/1,101,190.15 = 201,649.73/x - Step 3: Cross multiply
734,128.19x = 1,101,190.15 × 201,649.73 - Step 4: Simplify right side
734,128.19x = 222,054,690,416.08 - Step 5: Solve for x
x = 222,054,690,416.08/734,128.19 - Step 6: Final answer
x = 302,474.00
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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.