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Finding the Fourth Proportional to 336,698.20, 464,640.60 and 183,739.42

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Solution

The fourth proportional to 336,698.20, 464,640.60 and 183,739.42 is: 253,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,698.20 : 464,640.60 = 183,739.42 : x
  2. Step 2: Convert to fraction form
    336,698.20/464,640.60 = 183,739.42/x
  3. Step 3: Cross multiply
    336,698.20x = 464,640.60 × 183,739.42
  4. Step 4: Simplify right side
    336,698.20x = 85,372,794,352.45
  5. Step 5: Solve for x
    x = 85,372,794,352.45/336,698.20
  6. Step 6: Final answer
    x = 253,558.81

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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.