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Finding the Fourth Proportional to 422,424, 582,801.60 and 241,005.60

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Solution

The fourth proportional to 422,424, 582,801.60 and 241,005.60 is: 332,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,424 : 582,801.60 = 241,005.60 : x
  2. Step 2: Convert to fraction form
    422,424/582,801.60 = 241,005.60/x
  3. Step 3: Cross multiply
    422,424x = 582,801.60 × 241,005.60
  4. Step 4: Simplify right side
    422,424x = 140,458,449,288.96
  5. Step 5: Solve for x
    x = 140,458,449,288.96/422,424
  6. Step 6: Final answer
    x = 332,505.85

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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.