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Finding the Fourth Proportional to 587,851.70, 882,170.28 and 213,874.70

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Solution

The fourth proportional to 587,851.70, 882,170.28 and 213,874.70 is: 320,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,851.70 : 882,170.28 = 213,874.70 : x
  2. Step 2: Convert to fraction form
    587,851.70/882,170.28 = 213,874.70/x
  3. Step 3: Cross multiply
    587,851.70x = 882,170.28 × 213,874.70
  4. Step 4: Simplify right side
    587,851.70x = 188,673,903,983.92
  5. Step 5: Solve for x
    x = 188,673,903,983.92/587,851.70
  6. Step 6: Final answer
    x = 320,954.93

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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.