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Finding the Fourth Proportional to 547,672.07, 821,586.47 and 168,624.87

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Solution

The fourth proportional to 547,672.07, 821,586.47 and 168,624.87 is: 252,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,672.07 : 821,586.47 = 168,624.87 : x
  2. Step 2: Convert to fraction form
    547,672.07/821,586.47 = 168,624.87/x
  3. Step 3: Cross multiply
    547,672.07x = 821,586.47 × 168,624.87
  4. Step 4: Simplify right side
    547,672.07x = 138,539,910,854.39
  5. Step 5: Solve for x
    x = 138,539,910,854.39/547,672.07
  6. Step 6: Final answer
    x = 252,961.43

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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.