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Finding the Fourth Proportional to 484,862.36, 726,491.62 and 247,879.04

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Solution

The fourth proportional to 484,862.36, 726,491.62 and 247,879.04 is: 371,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,862.36 : 726,491.62 = 247,879.04 : x
  2. Step 2: Convert to fraction form
    484,862.36/726,491.62 = 247,879.04/x
  3. Step 3: Cross multiply
    484,862.36x = 726,491.62 × 247,879.04
  4. Step 4: Simplify right side
    484,862.36x = 180,082,045,333.65
  5. Step 5: Solve for x
    x = 180,082,045,333.65/484,862.36
  6. Step 6: Final answer
    x = 371,408.59

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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.