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Finding the Fourth Proportional to 317,007.80, 437,481.97 and 173,767.80

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Solution

The fourth proportional to 317,007.80, 437,481.97 and 173,767.80 is: 239,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,007.80 : 437,481.97 = 173,767.80 : x
  2. Step 2: Convert to fraction form
    317,007.80/437,481.97 = 173,767.80/x
  3. Step 3: Cross multiply
    317,007.80x = 437,481.97 × 173,767.80
  4. Step 4: Simplify right side
    317,007.80x = 76,020,279,466.57
  5. Step 5: Solve for x
    x = 76,020,279,466.57/317,007.80
  6. Step 6: Final answer
    x = 239,805.71

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1.5x scale

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.