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Finding the Fourth Proportional to 227,318,880.40, 340,978,320.60 and 224,295,571.60

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Solution

The fourth proportional to 227,318,880.40, 340,978,320.60 and 224,295,571.60 is: 336,443,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,318,880.40 : 340,978,320.60 = 224,295,571.60 : x
  2. Step 2: Convert to fraction form
    227,318,880.40/340,978,320.60 = 224,295,571.60/x
  3. Step 3: Cross multiply
    227,318,880.40x = 340,978,320.60 × 224,295,571.60
  4. Step 4: Simplify right side
    227,318,880.40x = 76,479,927,322,185,056
  5. Step 5: Solve for x
    x = 76,479,927,322,185,056/227,318,880.40
  6. Step 6: Final answer
    x = 336,443,357.40

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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.