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Finding the Fourth Proportional to 322,792.38, 445,458.39 and 195,480.06

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Solution

The fourth proportional to 322,792.38, 445,458.39 and 195,480.06 is: 269,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,792.38 : 445,458.39 = 195,480.06 : x
  2. Step 2: Convert to fraction form
    322,792.38/445,458.39 = 195,480.06/x
  3. Step 3: Cross multiply
    322,792.38x = 445,458.39 × 195,480.06
  4. Step 4: Simplify right side
    322,792.38x = 87,078,232,804.70
  5. Step 5: Solve for x
    x = 87,078,232,804.70/322,792.38
  6. Step 6: Final answer
    x = 269,765.45

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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.