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Finding the Fourth Proportional to 336,768.96, 505,004.76 and 126,259.32

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Solution

The fourth proportional to 336,768.96, 505,004.76 and 126,259.32 is: 189,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,768.96 : 505,004.76 = 126,259.32 : x
  2. Step 2: Convert to fraction form
    336,768.96/505,004.76 = 126,259.32/x
  3. Step 3: Cross multiply
    336,768.96x = 505,004.76 × 126,259.32
  4. Step 4: Simplify right side
    336,768.96x = 63,761,557,594.36
  5. Step 5: Solve for x
    x = 63,761,557,594.36/336,768.96
  6. Step 6: Final answer
    x = 189,333.24

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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.