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Finding the Fourth Proportional to 348,860,808.60, 523,291,212.90 and 348,860,808.60

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Solution

The fourth proportional to 348,860,808.60, 523,291,212.90 and 348,860,808.60 is: 523,291,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,860,808.60 : 523,291,212.90 = 348,860,808.60 : x
  2. Step 2: Convert to fraction form
    348,860,808.60/523,291,212.90 = 348,860,808.60/x
  3. Step 3: Cross multiply
    348,860,808.60x = 523,291,212.90 × 348,860,808.60
  4. Step 4: Simplify right side
    348,860,808.60x = 182,555,795,665,568,768
  5. Step 5: Solve for x
    x = 182,555,795,665,568,768/348,860,808.60
  6. Step 6: Final answer
    x = 523,291,212.90

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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.