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Finding the Fourth Proportional to 475,201.22, 712,804.25 and 120,215.54

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Solution

The fourth proportional to 475,201.22, 712,804.25 and 120,215.54 is: 180,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,201.22 : 712,804.25 = 120,215.54 : x
  2. Step 2: Convert to fraction form
    475,201.22/712,804.25 = 120,215.54/x
  3. Step 3: Cross multiply
    475,201.22x = 712,804.25 × 120,215.54
  4. Step 4: Simplify right side
    475,201.22x = 85,690,149,910.59
  5. Step 5: Solve for x
    x = 85,690,149,910.59/475,201.22
  6. Step 6: Final answer
    x = 180,323.93

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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.