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Finding the Fourth Proportional to 269,262.17, 403,511.90 and 149,371.52

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Solution

The fourth proportional to 269,262.17, 403,511.90 and 149,371.52 is: 223,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,262.17 : 403,511.90 = 149,371.52 : x
  2. Step 2: Convert to fraction form
    269,262.17/403,511.90 = 149,371.52/x
  3. Step 3: Cross multiply
    269,262.17x = 403,511.90 × 149,371.52
  4. Step 4: Simplify right side
    269,262.17x = 60,273,183,076.67
  5. Step 5: Solve for x
    x = 60,273,183,076.67/269,262.17
  6. Step 6: Final answer
    x = 223,845.72

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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.