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Finding the Fourth Proportional to 227,318,879.40, 340,978,319.10 and 224,295,570.60

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Solution

The fourth proportional to 227,318,879.40, 340,978,319.10 and 224,295,570.60 is: 336,443,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,318,879.40 : 340,978,319.10 = 224,295,570.60 : x
  2. Step 2: Convert to fraction form
    227,318,879.40/340,978,319.10 = 224,295,570.60/x
  3. Step 3: Cross multiply
    227,318,879.40x = 340,978,319.10 × 224,295,570.60
  4. Step 4: Simplify right side
    227,318,879.40x = 76,479,926,644,763,376
  5. Step 5: Solve for x
    x = 76,479,926,644,763,376/227,318,879.40
  6. Step 6: Final answer
    x = 336,443,355.90

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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.