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Finding the Fourth Proportional to 484,603.57, 668,738.04 and 269,738.11

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Solution

The fourth proportional to 484,603.57, 668,738.04 and 269,738.11 is: 372,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,603.57 : 668,738.04 = 269,738.11 : x
  2. Step 2: Convert to fraction form
    484,603.57/668,738.04 = 269,738.11/x
  3. Step 3: Cross multiply
    484,603.57x = 668,738.04 × 269,738.11
  4. Step 4: Simplify right side
    484,603.57x = 180,384,134,994.70
  5. Step 5: Solve for x
    x = 180,384,134,994.70/484,603.57
  6. Step 6: Final answer
    x = 372,230.31

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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.