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Finding the Fourth Proportional to 352,262.60, 527,789.10 and 164,889.80

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Solution

The fourth proportional to 352,262.60, 527,789.10 and 164,889.80 is: 247,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,262.60 : 527,789.10 = 164,889.80 : x
  2. Step 2: Convert to fraction form
    352,262.60/527,789.10 = 164,889.80/x
  3. Step 3: Cross multiply
    352,262.60x = 527,789.10 × 164,889.80
  4. Step 4: Simplify right side
    352,262.60x = 87,027,039,141.18
  5. Step 5: Solve for x
    x = 87,027,039,141.18/352,262.60
  6. Step 6: Final answer
    x = 247,051.60

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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.