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Finding the Fourth Proportional to 361,970.89, 499,579.79 and 200,877.68

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Solution

The fourth proportional to 361,970.89, 499,579.79 and 200,877.68 is: 277,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,970.89 : 499,579.79 = 200,877.68 : x
  2. Step 2: Convert to fraction form
    361,970.89/499,579.79 = 200,877.68/x
  3. Step 3: Cross multiply
    361,970.89x = 499,579.79 × 200,877.68
  4. Step 4: Simplify right side
    361,970.89x = 100,354,429,434.65
  5. Step 5: Solve for x
    x = 100,354,429,434.65/361,970.89
  6. Step 6: Final answer
    x = 277,244.48

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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.