Finding the Fourth Proportional to 383,512.93, 529,251.52 and 211,437.19
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Solution
The fourth proportional to 383,512.93, 529,251.52 and 211,437.19 is: 291,785.34
Step by Step Solution
- Step 1: Write the proportion equation
383,512.93 : 529,251.52 = 211,437.19 : x - Step 2: Convert to fraction form
383,512.93/529,251.52 = 211,437.19/x - Step 3: Cross multiply
383,512.93x = 529,251.52 × 211,437.19 - Step 4: Simplify right side
383,512.93x = 111,903,451,744.41 - Step 5: Solve for x
x = 111,903,451,744.41/383,512.93 - Step 6: Final answer
x = 291,785.34
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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.