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Finding the Fourth Proportional to 366,893.85, 550,395.46 and 130,216.71

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Solution

The fourth proportional to 366,893.85, 550,395.46 and 130,216.71 is: 195,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,893.85 : 550,395.46 = 130,216.71 : x
  2. Step 2: Convert to fraction form
    366,893.85/550,395.46 = 130,216.71/x
  3. Step 3: Cross multiply
    366,893.85x = 550,395.46 × 130,216.71
  4. Step 4: Simplify right side
    366,893.85x = 71,670,685,674.59
  5. Step 5: Solve for x
    x = 71,670,685,674.59/366,893.85
  6. Step 6: Final answer
    x = 195,344.47

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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.