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Finding the Fourth Proportional to 347,785.44, 520,144.83 and 302,757.54

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Solution

The fourth proportional to 347,785.44, 520,144.83 and 302,757.54 is: 452,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,785.44 : 520,144.83 = 302,757.54 : x
  2. Step 2: Convert to fraction form
    347,785.44/520,144.83 = 302,757.54/x
  3. Step 3: Cross multiply
    347,785.44x = 520,144.83 × 302,757.54
  4. Step 4: Simplify right side
    347,785.44x = 157,477,769,174.52
  5. Step 5: Solve for x
    x = 157,477,769,174.52/347,785.44
  6. Step 6: Final answer
    x = 452,801.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.