Finding the Fourth Proportional to 460,614.87, 690,947.06 and 145,096.47
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Solution
The fourth proportional to 460,614.87, 690,947.06 and 145,096.47 is: 217,652.50
Step by Step Solution
- Step 1: Write the proportion equation
460,614.87 : 690,947.06 = 145,096.47 : x - Step 2: Convert to fraction form
460,614.87/690,947.06 = 145,096.47/x - Step 3: Cross multiply
460,614.87x = 690,947.06 × 145,096.47 - Step 4: Simplify right side
460,614.87x = 100,253,978,637.40 - Step 5: Solve for x
x = 100,253,978,637.40/460,614.87 - Step 6: Final answer
x = 217,652.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.