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Finding the Fourth Proportional to 484,103.00, 668,085.78 and 269,238.45

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Solution

The fourth proportional to 484,103.00, 668,085.78 and 269,238.45 is: 371,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,103.00 : 668,085.78 = 269,238.45 : x
  2. Step 2: Convert to fraction form
    484,103.00/668,085.78 = 269,238.45/x
  3. Step 3: Cross multiply
    484,103.00x = 668,085.78 × 269,238.45
  4. Step 4: Simplify right side
    484,103.00x = 179,874,379,874.24
  5. Step 5: Solve for x
    x = 179,874,379,874.24/484,103.00
  6. Step 6: Final answer
    x = 371,562.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.