Finding the Fourth Proportional to 481,798.44, 664,251.21 and 414,538.02
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Solution
The fourth proportional to 481,798.44, 664,251.21 and 414,538.02 is: 571,519.87
Step by Step Solution
- Step 1: Write the proportion equation
481,798.44 : 664,251.21 = 414,538.02 : x - Step 2: Convert to fraction form
481,798.44/664,251.21 = 414,538.02/x - Step 3: Cross multiply
481,798.44x = 664,251.21 × 414,538.02 - Step 4: Simplify right side
481,798.44x = 275,357,381,376.00 - Step 5: Solve for x
x = 275,357,381,376.00/481,798.44 - Step 6: Final answer
x = 571,519.87
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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.