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Finding the Fourth Proportional to 484,737.68, 668,936.46 and 269,872.16

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Solution

The fourth proportional to 484,737.68, 668,936.46 and 269,872.16 is: 372,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,737.68 : 668,936.46 = 269,872.16 : x
  2. Step 2: Convert to fraction form
    484,737.68/668,936.46 = 269,872.16/x
  3. Step 3: Cross multiply
    484,737.68x = 668,936.46 × 269,872.16
  4. Step 4: Simplify right side
    484,737.68x = 180,527,327,362.95
  5. Step 5: Solve for x
    x = 180,527,327,362.95/484,737.68
  6. Step 6: Final answer
    x = 372,422.72

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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.