Finding the Fourth Proportional to 547,996, 821,994 and 154,012
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Solution
The fourth proportional to 547,996, 821,994 and 154,012 is: 231,018
Step by Step Solution
- Step 1: Write the proportion equation
547,996 : 821,994 = 154,012 : x - Step 2: Convert to fraction form
547,996/821,994 = 154,012/x - Step 3: Cross multiply
547,996x = 821,994 × 154,012 - Step 4: Simplify right side
547,996x = 126,596,939,928 - Step 5: Solve for x
x = 126,596,939,928/547,996 - Step 6: Final answer
x = 231,018
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.