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Finding the Fourth Proportional to 451,646.10, 677,469.15 and 363,072.60

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Solution

The fourth proportional to 451,646.10, 677,469.15 and 363,072.60 is: 544,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,646.10 : 677,469.15 = 363,072.60 : x
  2. Step 2: Convert to fraction form
    451,646.10/677,469.15 = 363,072.60/x
  3. Step 3: Cross multiply
    451,646.10x = 677,469.15 × 363,072.60
  4. Step 4: Simplify right side
    451,646.10x = 245,970,485,710.29
  5. Step 5: Solve for x
    x = 245,970,485,710.29/451,646.10
  6. Step 6: Final answer
    x = 544,608.90

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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.