Finding the Fourth Proportional to 363,798.44, 545,771.64 and 153,437.12
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Solution
The fourth proportional to 363,798.44, 545,771.64 and 153,437.12 is: 230,186.88
Step by Step Solution
- Step 1: Write the proportion equation
363,798.44 : 545,771.64 = 153,437.12 : x - Step 2: Convert to fraction form
363,798.44/545,771.64 = 153,437.12/x - Step 3: Cross multiply
363,798.44x = 545,771.64 × 153,437.12 - Step 4: Simplify right side
363,798.44x = 83,741,628,619.28 - Step 5: Solve for x
x = 83,741,628,619.28/363,798.44 - Step 6: Final answer
x = 230,186.88
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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.