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Finding the Fourth Proportional to 367,122.58, 550,683.90 and 130,474.60

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Solution

The fourth proportional to 367,122.58, 550,683.90 and 130,474.60 is: 195,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,122.58 : 550,683.90 = 130,474.60 : x
  2. Step 2: Convert to fraction form
    367,122.58/550,683.90 = 130,474.60/x
  3. Step 3: Cross multiply
    367,122.58x = 550,683.90 × 130,474.60
  4. Step 4: Simplify right side
    367,122.58x = 71,850,261,578.94
  5. Step 5: Solve for x
    x = 71,850,261,578.94/367,122.58
  6. Step 6: Final answer
    x = 195,711.91

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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.