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Finding the Fourth Proportional to 547,324.03, 821,064.39 and 168,276.59

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Solution

The fourth proportional to 547,324.03, 821,064.39 and 168,276.59 is: 252,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,324.03 : 821,064.39 = 168,276.59 : x
  2. Step 2: Convert to fraction form
    547,324.03/821,064.39 = 168,276.59/x
  3. Step 3: Cross multiply
    547,324.03x = 821,064.39 × 168,276.59
  4. Step 4: Simplify right side
    547,324.03x = 138,165,915,008.82
  5. Step 5: Solve for x
    x = 138,165,915,008.82/547,324.03
  6. Step 6: Final answer
    x = 252,438.97

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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.