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Finding the Fourth Proportional to 279,201.33, 417,745.17 and 165,410.24

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Solution

The fourth proportional to 279,201.33, 417,745.17 and 165,410.24 is: 247,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,201.33 : 417,745.17 = 165,410.24 : x
  2. Step 2: Convert to fraction form
    279,201.33/417,745.17 = 165,410.24/x
  3. Step 3: Cross multiply
    279,201.33x = 417,745.17 × 165,410.24
  4. Step 4: Simplify right side
    279,201.33x = 69,099,326,739.81
  5. Step 5: Solve for x
    x = 69,099,326,739.81/279,201.33
  6. Step 6: Final answer
    x = 247,489.25

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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.