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Finding the Fourth Proportional to 366,950.80, 550,296.60 and 130,301.20

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Solution

The fourth proportional to 366,950.80, 550,296.60 and 130,301.20 is: 195,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,950.80 : 550,296.60 = 130,301.20 : x
  2. Step 2: Convert to fraction form
    366,950.80/550,296.60 = 130,301.20/x
  3. Step 3: Cross multiply
    366,950.80x = 550,296.60 × 130,301.20
  4. Step 4: Simplify right side
    366,950.80x = 71,704,307,335.92
  5. Step 5: Solve for x
    x = 71,704,307,335.92/366,950.80
  6. Step 6: Final answer
    x = 195,405.78

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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.