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Finding the Fourth Proportional to 567,078.89, 850,634.73 and 212,025.11

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Solution

The fourth proportional to 567,078.89, 850,634.73 and 212,025.11 is: 318,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,078.89 : 850,634.73 = 212,025.11 : x
  2. Step 2: Convert to fraction form
    567,078.89/850,634.73 = 212,025.11/x
  3. Step 3: Cross multiply
    567,078.89x = 850,634.73 × 212,025.11
  4. Step 4: Simplify right side
    567,078.89x = 180,355,917,944.90
  5. Step 5: Solve for x
    x = 180,355,917,944.90/567,078.89
  6. Step 6: Final answer
    x = 318,043.79

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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.