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Finding the Fourth Proportional to 451,197.76, 676,771.72 and 151,647.44

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Solution

The fourth proportional to 451,197.76, 676,771.72 and 151,647.44 is: 227,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,197.76 : 676,771.72 = 151,647.44 : x
  2. Step 2: Convert to fraction form
    451,197.76/676,771.72 = 151,647.44/x
  3. Step 3: Cross multiply
    451,197.76x = 676,771.72 × 151,647.44
  4. Step 4: Simplify right side
    451,197.76x = 102,630,698,802.40
  5. Step 5: Solve for x
    x = 102,630,698,802.40/451,197.76
  6. Step 6: Final answer
    x = 227,462.78

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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.