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Finding the Fourth Proportional to 403,765,301.10, 605,647,951.65 and 403,765,301.10

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Solution

The fourth proportional to 403,765,301.10, 605,647,951.65 and 403,765,301.10 is: 605,647,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,765,301.10 : 605,647,951.65 = 403,765,301.10 : x
  2. Step 2: Convert to fraction form
    403,765,301.10/605,647,951.65 = 403,765,301.10/x
  3. Step 3: Cross multiply
    403,765,301.10x = 605,647,951.65 × 403,765,301.10
  4. Step 4: Simplify right side
    403,765,301.10x = 244,539,627,558,560,512
  5. Step 5: Solve for x
    x = 244,539,627,558,560,512/403,765,301.10
  6. Step 6: Final answer
    x = 605,647,951.65

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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.