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Finding the Fourth Proportional to 591,363.88, 816,227.94 and 336,865.12

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Solution

The fourth proportional to 591,363.88, 816,227.94 and 336,865.12 is: 464,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,363.88 : 816,227.94 = 336,865.12 : x
  2. Step 2: Convert to fraction form
    591,363.88/816,227.94 = 336,865.12/x
  3. Step 3: Cross multiply
    591,363.88x = 816,227.94 × 336,865.12
  4. Step 4: Simplify right side
    591,363.88x = 274,958,722,955.45
  5. Step 5: Solve for x
    x = 274,958,722,955.45/591,363.88
  6. Step 6: Final answer
    x = 464,956.91

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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.