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Finding the Fourth Proportional to 484,846.86, 726,468.39 and 247,863.54

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Solution

The fourth proportional to 484,846.86, 726,468.39 and 247,863.54 is: 371,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,846.86 : 726,468.39 = 247,863.54 : x
  2. Step 2: Convert to fraction form
    484,846.86/726,468.39 = 247,863.54/x
  3. Step 3: Cross multiply
    484,846.86x = 726,468.39 × 247,863.54
  4. Step 4: Simplify right side
    484,846.86x = 180,065,026,843.50
  5. Step 5: Solve for x
    x = 180,065,026,843.50/484,846.86
  6. Step 6: Final answer
    x = 371,385.36

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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.