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Finding the Fourth Proportional to 324,967.11, 487,272.06 and 100,266.27

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Solution

The fourth proportional to 324,967.11, 487,272.06 and 100,266.27 is: 150,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,967.11 : 487,272.06 = 100,266.27 : x
  2. Step 2: Convert to fraction form
    324,967.11/487,272.06 = 100,266.27/x
  3. Step 3: Cross multiply
    324,967.11x = 487,272.06 × 100,266.27
  4. Step 4: Simplify right side
    324,967.11x = 48,856,951,931.42
  5. Step 5: Solve for x
    x = 48,856,951,931.42/324,967.11
  6. Step 6: Final answer
    x = 150,344.30

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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.