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Finding the Fourth Proportional to 366,975.98, 550,491.30 and 130,287.90

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Solution

The fourth proportional to 366,975.98, 550,491.30 and 130,287.90 is: 195,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,975.98 : 550,491.30 = 130,287.90 : x
  2. Step 2: Convert to fraction form
    366,975.98/550,491.30 = 130,287.90/x
  3. Step 3: Cross multiply
    366,975.98x = 550,491.30 × 130,287.90
  4. Step 4: Simplify right side
    366,975.98x = 71,722,355,445.27
  5. Step 5: Solve for x
    x = 71,722,355,445.27/366,975.98
  6. Step 6: Final answer
    x = 195,441.55

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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.