Finding the Fourth Proportional to 317,355.36, 476,044.38 and 106,995.12
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Solution
The fourth proportional to 317,355.36, 476,044.38 and 106,995.12 is: 160,496.50
Step by Step Solution
- Step 1: Write the proportion equation
317,355.36 : 476,044.38 = 106,995.12 : x - Step 2: Convert to fraction form
317,355.36/476,044.38 = 106,995.12/x - Step 3: Cross multiply
317,355.36x = 476,044.38 × 106,995.12 - Step 4: Simplify right side
317,355.36x = 50,934,425,563.43 - Step 5: Solve for x
x = 50,934,425,563.43/317,355.36 - Step 6: Final answer
x = 160,496.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.