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Finding the Fourth Proportional to 325,829.70, 488,744.55 and 276,622.20

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Solution

The fourth proportional to 325,829.70, 488,744.55 and 276,622.20 is: 414,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.70 : 488,744.55 = 276,622.20 : x
  2. Step 2: Convert to fraction form
    325,829.70/488,744.55 = 276,622.20/x
  3. Step 3: Cross multiply
    325,829.70x = 488,744.55 × 276,622.20
  4. Step 4: Simplify right side
    325,829.70x = 135,197,592,659.01
  5. Step 5: Solve for x
    x = 135,197,592,659.01/325,829.70
  6. Step 6: Final answer
    x = 414,933.30

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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.