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Finding the Fourth Proportional to 445,787.28, 615,197.28 and 244,583.28

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Solution

The fourth proportional to 445,787.28, 615,197.28 and 244,583.28 is: 337,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,787.28 : 615,197.28 = 244,583.28 : x
  2. Step 2: Convert to fraction form
    445,787.28/615,197.28 = 244,583.28/x
  3. Step 3: Cross multiply
    445,787.28x = 615,197.28 × 244,583.28
  4. Step 4: Simplify right side
    445,787.28x = 150,466,968,589.48
  5. Step 5: Solve for x
    x = 150,466,968,589.48/445,787.28
  6. Step 6: Final answer
    x = 337,530.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.