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Finding the Fourth Proportional to 627,801.96, 940,667.46 and 361,785.96

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Solution

The fourth proportional to 627,801.96, 940,667.46 and 361,785.96 is: 542,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,801.96 : 940,667.46 = 361,785.96 : x
  2. Step 2: Convert to fraction form
    627,801.96/940,667.46 = 361,785.96/x
  3. Step 3: Cross multiply
    627,801.96x = 940,667.46 × 361,785.96
  4. Step 4: Simplify right side
    627,801.96x = 340,320,280,056.86
  5. Step 5: Solve for x
    x = 340,320,280,056.86/627,801.96
  6. Step 6: Final answer
    x = 542,082.22

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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.