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Finding the Fourth Proportional to 352,325,121.60, 527,479,912.80 and 352,325,121.60

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Solution

The fourth proportional to 352,325,121.60, 527,479,912.80 and 352,325,121.60 is: 527,479,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,325,121.60 : 527,479,912.80 = 352,325,121.60 : x
  2. Step 2: Convert to fraction form
    352,325,121.60/527,479,912.80 = 352,325,121.60/x
  3. Step 3: Cross multiply
    352,325,121.60x = 527,479,912.80 × 352,325,121.60
  4. Step 4: Simplify right side
    352,325,121.60x = 185,844,424,418,817,408
  5. Step 5: Solve for x
    x = 185,844,424,418,817,408/352,325,121.60
  6. Step 6: Final answer
    x = 527,479,912.80

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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.