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Finding the Fourth Proportional to 344,009.33, 474,731.04 and 188,963.68

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Solution

The fourth proportional to 344,009.33, 474,731.04 and 188,963.68 is: 260,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,009.33 : 474,731.04 = 188,963.68 : x
  2. Step 2: Convert to fraction form
    344,009.33/474,731.04 = 188,963.68/x
  3. Step 3: Cross multiply
    344,009.33x = 474,731.04 × 188,963.68
  4. Step 4: Simplify right side
    344,009.33x = 89,706,923,141.80
  5. Step 5: Solve for x
    x = 89,706,923,141.80/344,009.33
  6. Step 6: Final answer
    x = 260,768.86

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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.