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Finding the Fourth Proportional to 417,155.06, 625,361.45 and 150,856.39

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Solution

The fourth proportional to 417,155.06, 625,361.45 and 150,856.39 is: 226,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,155.06 : 625,361.45 = 150,856.39 : x
  2. Step 2: Convert to fraction form
    417,155.06/625,361.45 = 150,856.39/x
  3. Step 3: Cross multiply
    417,155.06x = 625,361.45 × 150,856.39
  4. Step 4: Simplify right side
    417,155.06x = 94,339,770,819.59
  5. Step 5: Solve for x
    x = 94,339,770,819.59/417,155.06
  6. Step 6: Final answer
    x = 226,150.37

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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.