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Finding the Fourth Proportional to 367,052.80, 550,449.60 and 130,403.20

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Solution

The fourth proportional to 367,052.80, 550,449.60 and 130,403.20 is: 195,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,052.80 : 550,449.60 = 130,403.20 : x
  2. Step 2: Convert to fraction form
    367,052.80/550,449.60 = 130,403.20/x
  3. Step 3: Cross multiply
    367,052.80x = 550,449.60 × 130,403.20
  4. Step 4: Simplify right side
    367,052.80x = 71,780,389,278.72
  5. Step 5: Solve for x
    x = 71,780,389,278.72/367,052.80
  6. Step 6: Final answer
    x = 195,558.76

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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.