Finding the Fourth Proportional to 338,234.92, 466,738.50 and 187,328.68
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Solution
The fourth proportional to 338,234.92, 466,738.50 and 187,328.68 is: 258,499.35
Step by Step Solution
- Step 1: Write the proportion equation
338,234.92 : 466,738.50 = 187,328.68 : x - Step 2: Convert to fraction form
338,234.92/466,738.50 = 187,328.68/x - Step 3: Cross multiply
338,234.92x = 466,738.50 × 187,328.68 - Step 4: Simplify right side
338,234.92x = 87,433,507,110.18 - Step 5: Solve for x
x = 87,433,507,110.18/338,234.92 - Step 6: Final answer
x = 258,499.35
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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.