Finding the Fourth Proportional to 470,948.16, 649,914.88 and 269,744
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Solution
The fourth proportional to 470,948.16, 649,914.88 and 269,744 is: 372,250.40
Step by Step Solution
- Step 1: Write the proportion equation
470,948.16 : 649,914.88 = 269,744 : x - Step 2: Convert to fraction form
470,948.16/649,914.88 = 269,744/x - Step 3: Cross multiply
470,948.16x = 649,914.88 × 269,744 - Step 4: Simplify right side
470,948.16x = 175,310,639,390.72 - Step 5: Solve for x
x = 175,310,639,390.72/470,948.16 - Step 6: Final answer
x = 372,250.40
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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.