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Finding the Fourth Proportional to 647,028.41, 970,974.54 and 226,304.28

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Solution

The fourth proportional to 647,028.41, 970,974.54 and 226,304.28 is: 339,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,028.41 : 970,974.54 = 226,304.28 : x
  2. Step 2: Convert to fraction form
    647,028.41/970,974.54 = 226,304.28/x
  3. Step 3: Cross multiply
    647,028.41x = 970,974.54 × 226,304.28
  4. Step 4: Simplify right side
    647,028.41x = 219,735,694,173.03
  5. Step 5: Solve for x
    x = 219,735,694,173.03/647,028.41
  6. Step 6: Final answer
    x = 339,607.49

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1.5x scale

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.