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Finding the Fourth Proportional to 227,578.60, 340,711.80 and 201,334.60

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Solution

The fourth proportional to 227,578.60, 340,711.80 and 201,334.60 is: 301,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,578.60 : 340,711.80 = 201,334.60 : x
  2. Step 2: Convert to fraction form
    227,578.60/340,711.80 = 201,334.60/x
  3. Step 3: Cross multiply
    227,578.60x = 340,711.80 × 201,334.60
  4. Step 4: Simplify right side
    227,578.60x = 68,597,073,968.28
  5. Step 5: Solve for x
    x = 68,597,073,968.28/227,578.60
  6. Step 6: Final answer
    x = 301,421.46

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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.