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Finding the Fourth Proportional to 337,338.94, 505,999.70 and 109,633.28

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Solution

The fourth proportional to 337,338.94, 505,999.70 and 109,633.28 is: 164,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,338.94 : 505,999.70 = 109,633.28 : x
  2. Step 2: Convert to fraction form
    337,338.94/505,999.70 = 109,633.28/x
  3. Step 3: Cross multiply
    337,338.94x = 505,999.70 × 109,633.28
  4. Step 4: Simplify right side
    337,338.94x = 55,474,408,949.74
  5. Step 5: Solve for x
    x = 55,474,408,949.74/337,338.94
  6. Step 6: Final answer
    x = 164,447.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.