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Finding the Fourth Proportional to 550,026.72, 825,040.78 and 150,671

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Solution

The fourth proportional to 550,026.72, 825,040.78 and 150,671 is: 226,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,026.72 : 825,040.78 = 150,671 : x
  2. Step 2: Convert to fraction form
    550,026.72/825,040.78 = 150,671/x
  3. Step 3: Cross multiply
    550,026.72x = 825,040.78 × 150,671
  4. Step 4: Simplify right side
    550,026.72x = 124,309,719,363.38
  5. Step 5: Solve for x
    x = 124,309,719,363.38/550,026.72
  6. Step 6: Final answer
    x = 226,006.69

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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.