Finding the Fourth Proportional to 414,697.19, 622,144.50 and 134,214.44
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Solution
The fourth proportional to 414,697.19, 622,144.50 and 134,214.44 is: 201,353.61
Step by Step Solution
- Step 1: Write the proportion equation
414,697.19 : 622,144.50 = 134,214.44 : x - Step 2: Convert to fraction form
414,697.19/622,144.50 = 134,214.44/x - Step 3: Cross multiply
414,697.19x = 622,144.50 × 134,214.44 - Step 4: Simplify right side
414,697.19x = 83,500,775,666.58 - Step 5: Solve for x
x = 83,500,775,666.58/414,697.19 - Step 6: Final answer
x = 201,353.61
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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.