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Finding the Fourth Proportional to 336,579.60, 504,759.84 and 111,879.80

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Solution

The fourth proportional to 336,579.60, 504,759.84 and 111,879.80 is: 167,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,579.60 : 504,759.84 = 111,879.80 : x
  2. Step 2: Convert to fraction form
    336,579.60/504,759.84 = 111,879.80/x
  3. Step 3: Cross multiply
    336,579.60x = 504,759.84 × 111,879.80
  4. Step 4: Simplify right side
    336,579.60x = 56,472,429,947.23
  5. Step 5: Solve for x
    x = 56,472,429,947.23/336,579.60
  6. Step 6: Final answer
    x = 167,783.28

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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.