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Finding the Fourth Proportional to 522,027.70, 783,114.45 and 222,505.90

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Solution

The fourth proportional to 522,027.70, 783,114.45 and 222,505.90 is: 333,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,027.70 : 783,114.45 = 222,505.90 : x
  2. Step 2: Convert to fraction form
    522,027.70/783,114.45 = 222,505.90/x
  3. Step 3: Cross multiply
    522,027.70x = 783,114.45 × 222,505.90
  4. Step 4: Simplify right side
    522,027.70x = 174,247,585,500.26
  5. Step 5: Solve for x
    x = 174,247,585,500.26/522,027.70
  6. Step 6: Final answer
    x = 333,789.92

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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.