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Finding the Fourth Proportional to 366,915.10, 550,469.85 and 130,233.10

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Solution

The fourth proportional to 366,915.10, 550,469.85 and 130,233.10 is: 195,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.10 : 550,469.85 = 130,233.10 : x
  2. Step 2: Convert to fraction form
    366,915.10/550,469.85 = 130,233.10/x
  3. Step 3: Cross multiply
    366,915.10x = 550,469.85 × 130,233.10
  4. Step 4: Simplify right side
    366,915.10x = 71,689,395,022.04
  5. Step 5: Solve for x
    x = 71,689,395,022.04/366,915.10
  6. Step 6: Final answer
    x = 195,384.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.