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Finding the Fourth Proportional to 523,455.36, 785,183.31 and 168,469.35

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Solution

The fourth proportional to 523,455.36, 785,183.31 and 168,469.35 is: 252,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,455.36 : 785,183.31 = 168,469.35 : x
  2. Step 2: Convert to fraction form
    523,455.36/785,183.31 = 168,469.35/x
  3. Step 3: Cross multiply
    523,455.36x = 785,183.31 × 168,469.35
  4. Step 4: Simplify right side
    523,455.36x = 132,279,321,866.55
  5. Step 5: Solve for x
    x = 132,279,321,866.55/523,455.36
  6. Step 6: Final answer
    x = 252,704.11

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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.