Finding the Fourth Proportional to 481,011.98, 663,507.23 and 317,670
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Solution
The fourth proportional to 481,011.98, 663,507.23 and 317,670 is: 438,193.54
Step by Step Solution
- Step 1: Write the proportion equation
481,011.98 : 663,507.23 = 317,670 : x - Step 2: Convert to fraction form
481,011.98/663,507.23 = 317,670/x - Step 3: Cross multiply
481,011.98x = 663,507.23 × 317,670 - Step 4: Simplify right side
481,011.98x = 210,776,340,165.75 - Step 5: Solve for x
x = 210,776,340,165.75/481,011.98 - Step 6: Final answer
x = 438,193.54
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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.