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Finding the Fourth Proportional to 979,433.70, 1,469,150.55 and 979,433.70

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Solution

The fourth proportional to 979,433.70, 1,469,150.55 and 979,433.70 is: 1,469,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,433.70 : 1,469,150.55 = 979,433.70 : x
  2. Step 2: Convert to fraction form
    979,433.70/1,469,150.55 = 979,433.70/x
  3. Step 3: Cross multiply
    979,433.70x = 1,469,150.55 × 979,433.70
  4. Step 4: Simplify right side
    979,433.70x = 1,438,935,559,043.54
  5. Step 5: Solve for x
    x = 1,438,935,559,043.54/979,433.70
  6. Step 6: Final answer
    x = 1,469,150.55

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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.