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Finding the Fourth Proportional to 442,744.60, 664,116.90 and 176,546.20

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Solution

The fourth proportional to 442,744.60, 664,116.90 and 176,546.20 is: 264,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,744.60 : 664,116.90 = 176,546.20 : x
  2. Step 2: Convert to fraction form
    442,744.60/664,116.90 = 176,546.20/x
  3. Step 3: Cross multiply
    442,744.60x = 664,116.90 × 176,546.20
  4. Step 4: Simplify right side
    442,744.60x = 117,247,315,050.78
  5. Step 5: Solve for x
    x = 117,247,315,050.78/442,744.60
  6. Step 6: Final answer
    x = 264,819.30

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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.