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Finding the Fourth Proportional to 522,107.76, 782,778.60 and 166,917.36

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Solution

The fourth proportional to 522,107.76, 782,778.60 and 166,917.36 is: 250,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,107.76 : 782,778.60 = 166,917.36 : x
  2. Step 2: Convert to fraction form
    522,107.76/782,778.60 = 166,917.36/x
  3. Step 3: Cross multiply
    522,107.76x = 782,778.60 × 166,917.36
  4. Step 4: Simplify right side
    522,107.76x = 130,659,337,376.50
  5. Step 5: Solve for x
    x = 130,659,337,376.50/522,107.76
  6. Step 6: Final answer
    x = 250,253.58

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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.