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Finding the Fourth Proportional to 367,951.60, 550,615.20 and 255,102.40

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Solution

The fourth proportional to 367,951.60, 550,615.20 and 255,102.40 is: 381,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,951.60 : 550,615.20 = 255,102.40 : x
  2. Step 2: Convert to fraction form
    367,951.60/550,615.20 = 255,102.40/x
  3. Step 3: Cross multiply
    367,951.60x = 550,615.20 × 255,102.40
  4. Step 4: Simplify right side
    367,951.60x = 140,463,258,996.48
  5. Step 5: Solve for x
    x = 140,463,258,996.48/367,951.60
  6. Step 6: Final answer
    x = 381,743.85

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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.