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Finding the Fourth Proportional to 449,388.22, 673,856.52 and 149,763.82

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Solution

The fourth proportional to 449,388.22, 673,856.52 and 149,763.82 is: 224,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,388.22 : 673,856.52 = 149,763.82 : x
  2. Step 2: Convert to fraction form
    449,388.22/673,856.52 = 149,763.82/x
  3. Step 3: Cross multiply
    449,388.22x = 673,856.52 × 149,763.82
  4. Step 4: Simplify right side
    449,388.22x = 100,919,326,567.11
  5. Step 5: Solve for x
    x = 100,919,326,567.11/449,388.22
  6. Step 6: Final answer
    x = 224,570.48

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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.