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Finding the Fourth Proportional to 445,694, 615,057.84 and 244,490

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Solution

The fourth proportional to 445,694, 615,057.84 and 244,490 is: 337,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,694 : 615,057.84 = 244,490 : x
  2. Step 2: Convert to fraction form
    445,694/615,057.84 = 244,490/x
  3. Step 3: Cross multiply
    445,694x = 615,057.84 × 244,490
  4. Step 4: Simplify right side
    445,694x = 150,375,491,301.60
  5. Step 5: Solve for x
    x = 150,375,491,301.60/445,694
  6. Step 6: Final answer
    x = 337,396.27

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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.