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Finding the Fourth Proportional to 391,300.60, 587,169.60 and 166,622.80

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Solution

The fourth proportional to 391,300.60, 587,169.60 and 166,622.80 is: 250,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,300.60 : 587,169.60 = 166,622.80 : x
  2. Step 2: Convert to fraction form
    391,300.60/587,169.60 = 166,622.80/x
  3. Step 3: Cross multiply
    391,300.60x = 587,169.60 × 166,622.80
  4. Step 4: Simplify right side
    391,300.60x = 97,835,842,826.88
  5. Step 5: Solve for x
    x = 97,835,842,826.88/391,300.60
  6. Step 6: Final answer
    x = 250,027.33

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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.