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Finding the Fourth Proportional to 329,066.37, 493,497.48 and 118,676.97

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Solution

The fourth proportional to 329,066.37, 493,497.48 and 118,676.97 is: 177,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,066.37 : 493,497.48 = 118,676.97 : x
  2. Step 2: Convert to fraction form
    329,066.37/493,497.48 = 118,676.97/x
  3. Step 3: Cross multiply
    329,066.37x = 493,497.48 × 118,676.97
  4. Step 4: Simplify right side
    329,066.37x = 58,566,785,629.04
  5. Step 5: Solve for x
    x = 58,566,785,629.04/329,066.37
  6. Step 6: Final answer
    x = 177,978.64

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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.