Finding the Fourth Proportional to 398,240.13, 597,001.50 and 145,343.17
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Solution
The fourth proportional to 398,240.13, 597,001.50 and 145,343.17 is: 217,883.84
Step by Step Solution
- Step 1: Write the proportion equation
398,240.13 : 597,001.50 = 145,343.17 : x - Step 2: Convert to fraction form
398,240.13/597,001.50 = 145,343.17/x - Step 3: Cross multiply
398,240.13x = 597,001.50 × 145,343.17 - Step 4: Simplify right side
398,240.13x = 86,770,091,251.01 - Step 5: Solve for x
x = 86,770,091,251.01/398,240.13 - Step 6: Final answer
x = 217,883.84
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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.