Finding the Fourth Proportional to 665,873.94, 998,840.07 and 192,607.14
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Solution
The fourth proportional to 665,873.94, 998,840.07 and 192,607.14 is: 288,919.14
Step by Step Solution
- Step 1: Write the proportion equation
665,873.94 : 998,840.07 = 192,607.14 : x - Step 2: Convert to fraction form
665,873.94/998,840.07 = 192,607.14/x - Step 3: Cross multiply
665,873.94x = 998,840.07 × 192,607.14 - Step 4: Simplify right side
665,873.94x = 192,383,729,200.10 - Step 5: Solve for x
x = 192,383,729,200.10/665,873.94 - Step 6: Final answer
x = 288,919.14
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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.