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Finding the Fourth Proportional to 587,797.89, 881,946.44 and 321,247

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Solution

The fourth proportional to 587,797.89, 881,946.44 and 321,247 is: 482,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,797.89 : 881,946.44 = 321,247 : x
  2. Step 2: Convert to fraction form
    587,797.89/881,946.44 = 321,247/x
  3. Step 3: Cross multiply
    587,797.89x = 881,946.44 × 321,247
  4. Step 4: Simplify right side
    587,797.89x = 283,322,648,010.68
  5. Step 5: Solve for x
    x = 283,322,648,010.68/587,797.89
  6. Step 6: Final answer
    x = 482,006.92

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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.