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Finding the Fourth Proportional to 300,263.88, 450,401.04 and 110,626.64

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Solution

The fourth proportional to 300,263.88, 450,401.04 and 110,626.64 is: 165,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,263.88 : 450,401.04 = 110,626.64 : x
  2. Step 2: Convert to fraction form
    300,263.88/450,401.04 = 110,626.64/x
  3. Step 3: Cross multiply
    300,263.88x = 450,401.04 × 110,626.64
  4. Step 4: Simplify right side
    300,263.88x = 49,826,351,455.70
  5. Step 5: Solve for x
    x = 49,826,351,455.70/300,263.88
  6. Step 6: Final answer
    x = 165,941.88

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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.