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Finding the Fourth Proportional to 366,960.56, 550,381.80 and 100,659.29

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Solution

The fourth proportional to 366,960.56, 550,381.80 and 100,659.29 is: 150,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,960.56 : 550,381.80 = 100,659.29 : x
  2. Step 2: Convert to fraction form
    366,960.56/550,381.80 = 100,659.29/x
  3. Step 3: Cross multiply
    366,960.56x = 550,381.80 × 100,659.29
  4. Step 4: Simplify right side
    366,960.56x = 55,401,041,216.92
  5. Step 5: Solve for x
    x = 55,401,041,216.92/366,960.56
  6. Step 6: Final answer
    x = 150,972.74

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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.