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Finding the Fourth Proportional to 616,246.20, 923,591.70 and 300,022.20

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Solution

The fourth proportional to 616,246.20, 923,591.70 and 300,022.20 is: 449,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,246.20 : 923,591.70 = 300,022.20 : x
  2. Step 2: Convert to fraction form
    616,246.20/923,591.70 = 300,022.20/x
  3. Step 3: Cross multiply
    616,246.20x = 923,591.70 × 300,022.20
  4. Step 4: Simplify right side
    616,246.20x = 277,098,013,735.74
  5. Step 5: Solve for x
    x = 277,098,013,735.74/616,246.20
  6. Step 6: Final answer
    x = 449,654.72

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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.