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Finding the Fourth Proportional to 464,469.60, 641,027.34 and 273,500.76

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Solution

The fourth proportional to 464,469.60, 641,027.34 and 273,500.76 is: 377,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,469.60 : 641,027.34 = 273,500.76 : x
  2. Step 2: Convert to fraction form
    464,469.60/641,027.34 = 273,500.76/x
  3. Step 3: Cross multiply
    464,469.60x = 641,027.34 × 273,500.76
  4. Step 4: Simplify right side
    464,469.60x = 175,321,464,670.78
  5. Step 5: Solve for x
    x = 175,321,464,670.78/464,469.60
  6. Step 6: Final answer
    x = 377,465.96

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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.