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Finding the Fourth Proportional to 322,578,205.20, 483,867,307.80 and 322,578,205.20

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Solution

The fourth proportional to 322,578,205.20, 483,867,307.80 and 322,578,205.20 is: 483,867,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,578,205.20 : 483,867,307.80 = 322,578,205.20 : x
  2. Step 2: Convert to fraction form
    322,578,205.20/483,867,307.80 = 322,578,205.20/x
  3. Step 3: Cross multiply
    322,578,205.20x = 483,867,307.80 × 322,578,205.20
  4. Step 4: Simplify right side
    322,578,205.20x = 156,085,047,705,079,968
  5. Step 5: Solve for x
    x = 156,085,047,705,079,968/322,578,205.20
  6. Step 6: Final answer
    x = 483,867,307.80

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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.