Finding the Fourth Proportional to 295,133.36, 407,451.84 and 194,822.96
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Solution
The fourth proportional to 295,133.36, 407,451.84 and 194,822.96 is: 268,966.45
Step by Step Solution
- Step 1: Write the proportion equation
295,133.36 : 407,451.84 = 194,822.96 : x - Step 2: Convert to fraction form
295,133.36/407,451.84 = 194,822.96/x - Step 3: Cross multiply
295,133.36x = 407,451.84 × 194,822.96 - Step 4: Simplify right side
295,133.36x = 79,380,973,526.25 - Step 5: Solve for x
x = 79,380,973,526.25/295,133.36 - Step 6: Final answer
x = 268,966.45
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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.