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Finding the Fourth Proportional to 323,714,605.20, 485,571,907.80 and 226,779,766.80

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Solution

The fourth proportional to 323,714,605.20, 485,571,907.80 and 226,779,766.80 is: 340,169,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,714,605.20 : 485,571,907.80 = 226,779,766.80 : x
  2. Step 2: Convert to fraction form
    323,714,605.20/485,571,907.80 = 226,779,766.80/x
  3. Step 3: Cross multiply
    323,714,605.20x = 485,571,907.80 × 226,779,766.80
  4. Step 4: Simplify right side
    323,714,605.20x = 110,117,884,015,515,104
  5. Step 5: Solve for x
    x = 110,117,884,015,515,104/323,714,605.20
  6. Step 6: Final answer
    x = 340,169,650.20

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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.