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Finding the Fourth Proportional to 544,893.64, 817,371.20 and 165,826.73

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Solution

The fourth proportional to 544,893.64, 817,371.20 and 165,826.73 is: 248,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,893.64 : 817,371.20 = 165,826.73 : x
  2. Step 2: Convert to fraction form
    544,893.64/817,371.20 = 165,826.73/x
  3. Step 3: Cross multiply
    544,893.64x = 817,371.20 × 165,826.73
  4. Step 4: Simplify right side
    544,893.64x = 135,541,995,750.17
  5. Step 5: Solve for x
    x = 135,541,995,750.17/544,893.64
  6. Step 6: Final answer
    x = 248,749.46

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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.