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Finding the Fourth Proportional to 524,876.75, 787,735.51 and 272,229.65

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Solution

The fourth proportional to 524,876.75, 787,735.51 and 272,229.65 is: 408,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,876.75 : 787,735.51 = 272,229.65 : x
  2. Step 2: Convert to fraction form
    524,876.75/787,735.51 = 272,229.65/x
  3. Step 3: Cross multiply
    524,876.75x = 787,735.51 × 272,229.65
  4. Step 4: Simplify right side
    524,876.75x = 214,444,962,179.87
  5. Step 5: Solve for x
    x = 214,444,962,179.87/524,876.75
  6. Step 6: Final answer
    x = 408,562.51

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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.