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Finding the Fourth Proportional to 617,616,103.60, 926,760,078.60 and 254,147,201.20

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Solution

The fourth proportional to 617,616,103.60, 926,760,078.60 and 254,147,201.20 is: 381,359,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,616,103.60 : 926,760,078.60 = 254,147,201.20 : x
  2. Step 2: Convert to fraction form
    617,616,103.60/926,760,078.60 = 254,147,201.20/x
  3. Step 3: Cross multiply
    617,616,103.60x = 926,760,078.60 × 254,147,201.20
  4. Step 4: Simplify right side
    617,616,103.60x = 235,533,480,160,082,016
  5. Step 5: Solve for x
    x = 235,533,480,160,082,016/617,616,103.60
  6. Step 6: Final answer
    x = 381,359,033.20

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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.