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Finding the Fourth Proportional to 367,301.12, 550,760.52 and 130,609.40

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Solution

The fourth proportional to 367,301.12, 550,760.52 and 130,609.40 is: 195,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,301.12 : 550,760.52 = 130,609.40 : x
  2. Step 2: Convert to fraction form
    367,301.12/550,760.52 = 130,609.40/x
  3. Step 3: Cross multiply
    367,301.12x = 550,760.52 × 130,609.40
  4. Step 4: Simplify right side
    367,301.12x = 71,934,499,882.65
  5. Step 5: Solve for x
    x = 71,934,499,882.65/367,301.12
  6. Step 6: Final answer
    x = 195,846.12

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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.