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Finding the Fourth Proportional to 449,139.84, 673,512.60 and 168,460.32

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Solution

The fourth proportional to 449,139.84, 673,512.60 and 168,460.32 is: 252,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,139.84 : 673,512.60 = 168,460.32 : x
  2. Step 2: Convert to fraction form
    449,139.84/673,512.60 = 168,460.32/x
  3. Step 3: Cross multiply
    449,139.84x = 673,512.60 × 168,460.32
  4. Step 4: Simplify right side
    449,139.84x = 113,460,148,120.03
  5. Step 5: Solve for x
    x = 113,460,148,120.03/449,139.84
  6. Step 6: Final answer
    x = 252,616.53

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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.