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Finding the Fourth Proportional to 442,872.40, 664,308.60 and 123,023.65

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Solution

The fourth proportional to 442,872.40, 664,308.60 and 123,023.65 is: 184,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872.40 : 664,308.60 = 123,023.65 : x
  2. Step 2: Convert to fraction form
    442,872.40/664,308.60 = 123,023.65/x
  3. Step 3: Cross multiply
    442,872.40x = 664,308.60 × 123,023.65
  4. Step 4: Simplify right side
    442,872.40x = 81,725,668,698.39
  5. Step 5: Solve for x
    x = 81,725,668,698.39/442,872.40
  6. Step 6: Final answer
    x = 184,535.48

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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.