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Finding the Fourth Proportional to 322,004,480.40, 483,006,720.60 and 322,004,480.40

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Solution

The fourth proportional to 322,004,480.40, 483,006,720.60 and 322,004,480.40 is: 483,006,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,004,480.40 : 483,006,720.60 = 322,004,480.40 : x
  2. Step 2: Convert to fraction form
    322,004,480.40/483,006,720.60 = 322,004,480.40/x
  3. Step 3: Cross multiply
    322,004,480.40x = 483,006,720.60 × 322,004,480.40
  4. Step 4: Simplify right side
    322,004,480.40x = 155,530,328,096,510,976
  5. Step 5: Solve for x
    x = 155,530,328,096,510,976/322,004,480.40
  6. Step 6: Final answer
    x = 483,006,720.60

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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.