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Finding the Fourth Proportional to 544,903.20, 817,257.60 and 344,865.60

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Solution

The fourth proportional to 544,903.20, 817,257.60 and 344,865.60 is: 517,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,903.20 : 817,257.60 = 344,865.60 : x
  2. Step 2: Convert to fraction form
    544,903.20/817,257.60 = 344,865.60/x
  3. Step 3: Cross multiply
    544,903.20x = 817,257.60 × 344,865.60
  4. Step 4: Simplify right side
    544,903.20x = 281,844,032,578.56
  5. Step 5: Solve for x
    x = 281,844,032,578.56/544,903.20
  6. Step 6: Final answer
    x = 517,236.88

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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.