Finding the Fourth Proportional to 385,961.52, 532,626.12 and 216,192
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Solution
The fourth proportional to 385,961.52, 532,626.12 and 216,192 is: 298,344.52
Step by Step Solution
- Step 1: Write the proportion equation
385,961.52 : 532,626.12 = 216,192 : x - Step 2: Convert to fraction form
385,961.52/532,626.12 = 216,192/x - Step 3: Cross multiply
385,961.52x = 532,626.12 × 216,192 - Step 4: Simplify right side
385,961.52x = 115,149,506,135.04 - Step 5: Solve for x
x = 115,149,506,135.04/385,961.52 - Step 6: Final answer
x = 298,344.52
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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.