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Finding the Fourth Proportional to 366,958.73, 550,465.43 and 130,270.65

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Solution

The fourth proportional to 366,958.73, 550,465.43 and 130,270.65 is: 195,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,958.73 : 550,465.43 = 130,270.65 : x
  2. Step 2: Convert to fraction form
    366,958.73/550,465.43 = 130,270.65/x
  3. Step 3: Cross multiply
    366,958.73x = 550,465.43 × 130,270.65
  4. Step 4: Simplify right side
    366,958.73x = 71,709,488,717.28
  5. Step 5: Solve for x
    x = 71,709,488,717.28/366,958.73
  6. Step 6: Final answer
    x = 195,415.68

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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.