Finding the Fourth Proportional to 445,926.60, 668,992.08 and 193,249.50
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Solution
The fourth proportional to 445,926.60, 668,992.08 and 193,249.50 is: 289,918.53
Step by Step Solution
- Step 1: Write the proportion equation
445,926.60 : 668,992.08 = 193,249.50 : x - Step 2: Convert to fraction form
445,926.60/668,992.08 = 193,249.50/x - Step 3: Cross multiply
445,926.60x = 668,992.08 × 193,249.50 - Step 4: Simplify right side
445,926.60x = 129,282,384,963.96 - Step 5: Solve for x
x = 129,282,384,963.96/445,926.60 - Step 6: Final answer
x = 289,918.53
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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.