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Finding the Fourth Proportional to 300,801.60, 415,092.60 and 173,469.60

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Solution

The fourth proportional to 300,801.60, 415,092.60 and 173,469.60 is: 239,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,801.60 : 415,092.60 = 173,469.60 : x
  2. Step 2: Convert to fraction form
    300,801.60/415,092.60 = 173,469.60/x
  3. Step 3: Cross multiply
    300,801.60x = 415,092.60 × 173,469.60
  4. Step 4: Simplify right side
    300,801.60x = 72,005,947,284.96
  5. Step 5: Solve for x
    x = 72,005,947,284.96/300,801.60
  6. Step 6: Final answer
    x = 239,380.20

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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.