Finding the Fourth Proportional to 298,664.08, 412,156.25 and 164,528.08
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Solution
The fourth proportional to 298,664.08, 412,156.25 and 164,528.08 is: 227,048.65
Step by Step Solution
- Step 1: Write the proportion equation
298,664.08 : 412,156.25 = 164,528.08 : x - Step 2: Convert to fraction form
298,664.08/412,156.25 = 164,528.08/x - Step 3: Cross multiply
298,664.08x = 412,156.25 × 164,528.08 - Step 4: Simplify right side
298,664.08x = 67,811,275,236.45 - Step 5: Solve for x
x = 67,811,275,236.45/298,664.08 - Step 6: Final answer
x = 227,048.65
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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.