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Finding the Fourth Proportional to 550,371.47, 825,468.64 and 150,919.56

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Solution

The fourth proportional to 550,371.47, 825,468.64 and 150,919.56 is: 226,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,371.47 : 825,468.64 = 150,919.56 : x
  2. Step 2: Convert to fraction form
    550,371.47/825,468.64 = 150,919.56/x
  3. Step 3: Cross multiply
    550,371.47x = 825,468.64 × 150,919.56
  4. Step 4: Simplify right side
    550,371.47x = 124,579,363,565.30
  5. Step 5: Solve for x
    x = 124,579,363,565.30/550,371.47
  6. Step 6: Final answer
    x = 226,355.06

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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.