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Finding the Fourth Proportional to 299,446.20, 413,334.90 and 178,626.60

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Solution

The fourth proportional to 299,446.20, 413,334.90 and 178,626.60 is: 246,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,446.20 : 413,334.90 = 178,626.60 : x
  2. Step 2: Convert to fraction form
    299,446.20/413,334.90 = 178,626.60/x
  3. Step 3: Cross multiply
    299,446.20x = 413,334.90 × 178,626.60
  4. Step 4: Simplify right side
    299,446.20x = 73,832,607,848.34
  5. Step 5: Solve for x
    x = 73,832,607,848.34/299,446.20
  6. Step 6: Final answer
    x = 246,563.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.