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Finding the Fourth Proportional to 215,682,902.10, 323,524,353.15 and 215,682,902.10

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Solution

The fourth proportional to 215,682,902.10, 323,524,353.15 and 215,682,902.10 is: 323,524,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,682,902.10 : 323,524,353.15 = 215,682,902.10 : x
  2. Step 2: Convert to fraction form
    215,682,902.10/323,524,353.15 = 215,682,902.10/x
  3. Step 3: Cross multiply
    215,682,902.10x = 323,524,353.15 × 215,682,902.10
  4. Step 4: Simplify right side
    215,682,902.10x = 69,778,671,387,417,272
  5. Step 5: Solve for x
    x = 69,778,671,387,417,272/215,682,902.10
  6. Step 6: Final answer
    x = 323,524,353.15

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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.