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Finding the Fourth Proportional to 356,785.68, 535,207.72 and 179,201.36

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Solution

The fourth proportional to 356,785.68, 535,207.72 and 179,201.36 is: 268,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,785.68 : 535,207.72 = 179,201.36 : x
  2. Step 2: Convert to fraction form
    356,785.68/535,207.72 = 179,201.36/x
  3. Step 3: Cross multiply
    356,785.68x = 535,207.72 × 179,201.36
  4. Step 4: Simplify right side
    356,785.68x = 95,909,951,306.50
  5. Step 5: Solve for x
    x = 95,909,951,306.50/356,785.68
  6. Step 6: Final answer
    x = 268,816.71

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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.