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Finding the Fourth Proportional to 449,221.58, 673,607.59 and 149,597.72

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Solution

The fourth proportional to 449,221.58, 673,607.59 and 149,597.72 is: 224,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,221.58 : 673,607.59 = 149,597.72 : x
  2. Step 2: Convert to fraction form
    449,221.58/673,607.59 = 149,597.72/x
  3. Step 3: Cross multiply
    449,221.58x = 673,607.59 × 149,597.72
  4. Step 4: Simplify right side
    449,221.58x = 100,770,155,522.67
  5. Step 5: Solve for x
    x = 100,770,155,522.67/449,221.58
  6. Step 6: Final answer
    x = 224,321.72

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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.