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Finding the Fourth Proportional to 264,353.28, 396,607.60 and 106,500.48

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Solution

The fourth proportional to 264,353.28, 396,607.60 and 106,500.48 is: 159,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,353.28 : 396,607.60 = 106,500.48 : x
  2. Step 2: Convert to fraction form
    264,353.28/396,607.60 = 106,500.48/x
  3. Step 3: Cross multiply
    264,353.28x = 396,607.60 × 106,500.48
  4. Step 4: Simplify right side
    264,353.28x = 42,238,899,771.65
  5. Step 5: Solve for x
    x = 42,238,899,771.65/264,353.28
  6. Step 6: Final answer
    x = 159,782.02

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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.