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Finding the Fourth Proportional to 449,265.76, 673,673.16 and 149,640.96

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Solution

The fourth proportional to 449,265.76, 673,673.16 and 149,640.96 is: 224,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,265.76 : 673,673.16 = 149,640.96 : x
  2. Step 2: Convert to fraction form
    449,265.76/673,673.16 = 149,640.96/x
  3. Step 3: Cross multiply
    449,265.76x = 673,673.16 × 149,640.96
  4. Step 4: Simplify right side
    449,265.76x = 100,809,098,388.63
  5. Step 5: Solve for x
    x = 100,809,098,388.63/449,265.76
  6. Step 6: Final answer
    x = 224,386.34

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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.