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Finding the Fourth Proportional to 367,956.60, 550,622.70 and 255,107.40

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Solution

The fourth proportional to 367,956.60, 550,622.70 and 255,107.40 is: 381,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,956.60 : 550,622.70 = 255,107.40 : x
  2. Step 2: Convert to fraction form
    367,956.60/550,622.70 = 255,107.40/x
  3. Step 3: Cross multiply
    367,956.60x = 550,622.70 × 255,107.40
  4. Step 4: Simplify right side
    367,956.60x = 140,467,925,377.98
  5. Step 5: Solve for x
    x = 140,467,925,377.98/367,956.60
  6. Step 6: Final answer
    x = 381,751.34

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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.