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Finding the Fourth Proportional to 442,924.08, 664,491.24 and 143,404.68

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Solution

The fourth proportional to 442,924.08, 664,491.24 and 143,404.68 is: 215,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,924.08 : 664,491.24 = 143,404.68 : x
  2. Step 2: Convert to fraction form
    442,924.08/664,491.24 = 143,404.68/x
  3. Step 3: Cross multiply
    442,924.08x = 664,491.24 × 143,404.68
  4. Step 4: Simplify right side
    442,924.08x = 95,291,153,635.00
  5. Step 5: Solve for x
    x = 95,291,153,635.00/442,924.08
  6. Step 6: Final answer
    x = 215,141.05

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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.