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Finding the Fourth Proportional to 322,139.92, 444,567.96 and 178,900.60

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Solution

The fourth proportional to 322,139.92, 444,567.96 and 178,900.60 is: 246,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,139.92 : 444,567.96 = 178,900.60 : x
  2. Step 2: Convert to fraction form
    322,139.92/444,567.96 = 178,900.60/x
  3. Step 3: Cross multiply
    322,139.92x = 444,567.96 × 178,900.60
  4. Step 4: Simplify right side
    322,139.92x = 79,533,474,784.78
  5. Step 5: Solve for x
    x = 79,533,474,784.78/322,139.92
  6. Step 6: Final answer
    x = 246,891.09

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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.