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Finding the Fourth Proportional to 323,353,311.80, 485,029,967.70 and 93,329,900.60

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Solution

The fourth proportional to 323,353,311.80, 485,029,967.70 and 93,329,900.60 is: 139,994,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,353,311.80 : 485,029,967.70 = 93,329,900.60 : x
  2. Step 2: Convert to fraction form
    323,353,311.80/485,029,967.70 = 93,329,900.60/x
  3. Step 3: Cross multiply
    323,353,311.80x = 485,029,967.70 × 93,329,900.60
  4. Step 4: Simplify right side
    323,353,311.80x = 45,267,798,673,462,208
  5. Step 5: Solve for x
    x = 45,267,798,673,462,208/323,353,311.80
  6. Step 6: Final answer
    x = 139,994,850.90

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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.