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Finding the Fourth Proportional to 547,960.98, 756,418.98 and 333,169.68

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Solution

The fourth proportional to 547,960.98, 756,418.98 and 333,169.68 is: 459,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,960.98 : 756,418.98 = 333,169.68 : x
  2. Step 2: Convert to fraction form
    547,960.98/756,418.98 = 333,169.68/x
  3. Step 3: Cross multiply
    547,960.98x = 756,418.98 × 333,169.68
  4. Step 4: Simplify right side
    547,960.98x = 252,015,869,512.53
  5. Step 5: Solve for x
    x = 252,015,869,512.53/547,960.98
  6. Step 6: Final answer
    x = 459,915.72

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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.