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Finding the Fourth Proportional to 416,671.29, 625,238.60 and 203,441.83

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Solution

The fourth proportional to 416,671.29, 625,238.60 and 203,441.83 is: 305,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,671.29 : 625,238.60 = 203,441.83 : x
  2. Step 2: Convert to fraction form
    416,671.29/625,238.60 = 203,441.83/x
  3. Step 3: Cross multiply
    416,671.29x = 625,238.60 × 203,441.83
  4. Step 4: Simplify right side
    416,671.29x = 127,199,682,390.33
  5. Step 5: Solve for x
    x = 127,199,682,390.33/416,671.29
  6. Step 6: Final answer
    x = 305,275.85

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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.