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Finding the Fourth Proportional to 483,958.71, 726,085.76 and 247,467.51

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Solution

The fourth proportional to 483,958.71, 726,085.76 and 247,467.51 is: 371,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,958.71 : 726,085.76 = 247,467.51 : x
  2. Step 2: Convert to fraction form
    483,958.71/726,085.76 = 247,467.51/x
  3. Step 3: Cross multiply
    483,958.71x = 726,085.76 × 247,467.51
  4. Step 4: Simplify right side
    483,958.71x = 179,682,633,836.32
  5. Step 5: Solve for x
    x = 179,682,633,836.32/483,958.71
  6. Step 6: Final answer
    x = 371,276.78

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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.