Finding the Fourth Proportional to 363,319.12, 544,622.94 and 135,448.00
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Solution
The fourth proportional to 363,319.12, 544,622.94 and 135,448.00 is: 203,039.37
Step by Step Solution
- Step 1: Write the proportion equation
363,319.12 : 544,622.94 = 135,448.00 : x - Step 2: Convert to fraction form
363,319.12/544,622.94 = 135,448.00/x - Step 3: Cross multiply
363,319.12x = 544,622.94 × 135,448.00 - Step 4: Simplify right side
363,319.12x = 73,768,086,615.56 - Step 5: Solve for x
x = 73,768,086,615.56/363,319.12 - Step 6: Final answer
x = 203,039.37
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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.