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Finding the Fourth Proportional to 366,912.60, 550,423.58 and 130,235.46

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Solution

The fourth proportional to 366,912.60, 550,423.58 and 130,235.46 is: 195,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.60 : 550,423.58 = 130,235.46 : x
  2. Step 2: Convert to fraction form
    366,912.60/550,423.58 = 130,235.46/x
  3. Step 3: Cross multiply
    366,912.60x = 550,423.58 × 130,235.46
  4. Step 4: Simplify right side
    366,912.60x = 71,684,667,484.97
  5. Step 5: Solve for x
    x = 71,684,667,484.97/366,912.60
  6. Step 6: Final answer
    x = 195,372.60

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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.