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Finding the Fourth Proportional to 317,824.40, 476,736.60 and 168,006.80

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Solution

The fourth proportional to 317,824.40, 476,736.60 and 168,006.80 is: 252,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,824.40 : 476,736.60 = 168,006.80 : x
  2. Step 2: Convert to fraction form
    317,824.40/476,736.60 = 168,006.80/x
  3. Step 3: Cross multiply
    317,824.40x = 476,736.60 × 168,006.80
  4. Step 4: Simplify right side
    317,824.40x = 80,094,990,608.88
  5. Step 5: Solve for x
    x = 80,094,990,608.88/317,824.40
  6. Step 6: Final answer
    x = 252,010.20

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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.