Finding the Fourth Proportional to 341,658.09, 471,491.69 and 188,700.08
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Solution
The fourth proportional to 341,658.09, 471,491.69 and 188,700.08 is: 260,408.05
Step by Step Solution
- Step 1: Write the proportion equation
341,658.09 : 471,491.69 = 188,700.08 : x - Step 2: Convert to fraction form
341,658.09/471,491.69 = 188,700.08/x - Step 3: Cross multiply
341,658.09x = 471,491.69 × 188,700.08 - Step 4: Simplify right side
341,658.09x = 88,970,516,321.38 - Step 5: Solve for x
x = 88,970,516,321.38/341,658.09 - Step 6: Final answer
x = 260,408.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.