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Finding the Fourth Proportional to 352,563.74, 527,676.15 and 321,046.64

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Solution

The fourth proportional to 352,563.74, 527,676.15 and 321,046.64 is: 480,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,563.74 : 527,676.15 = 321,046.64 : x
  2. Step 2: Convert to fraction form
    352,563.74/527,676.15 = 321,046.64/x
  3. Step 3: Cross multiply
    352,563.74x = 527,676.15 × 321,046.64
  4. Step 4: Simplify right side
    352,563.74x = 169,408,654,965.64
  5. Step 5: Solve for x
    x = 169,408,654,965.64/352,563.74
  6. Step 6: Final answer
    x = 480,505.04

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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.