Finding the Fourth Proportional to 369,052.44, 509,329.99 and 225,907.08
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Solution
The fourth proportional to 369,052.44, 509,329.99 and 225,907.08 is: 311,774.80
Step by Step Solution
- Step 1: Write the proportion equation
369,052.44 : 509,329.99 = 225,907.08 : x - Step 2: Convert to fraction form
369,052.44/509,329.99 = 225,907.08/x - Step 3: Cross multiply
369,052.44x = 509,329.99 × 225,907.08 - Step 4: Simplify right side
369,052.44x = 115,061,250,797.33 - Step 5: Solve for x
x = 115,061,250,797.33/369,052.44 - Step 6: Final answer
x = 311,774.80
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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.