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Finding the Fourth Proportional to 591,093.08, 886,234.56 and 212,005.68

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Solution

The fourth proportional to 591,093.08, 886,234.56 and 212,005.68 is: 317,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,093.08 : 886,234.56 = 212,005.68 : x
  2. Step 2: Convert to fraction form
    591,093.08/886,234.56 = 212,005.68/x
  3. Step 3: Cross multiply
    591,093.08x = 886,234.56 × 212,005.68
  4. Step 4: Simplify right side
    591,093.08x = 187,886,760,532.30
  5. Step 5: Solve for x
    x = 187,886,760,532.30/591,093.08
  6. Step 6: Final answer
    x = 317,863.24

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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.