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Finding the Fourth Proportional to 529, 792.46 and 499.03

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Solution

The fourth proportional to 529, 792.46 and 499.03 is: 747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529 : 792.46 = 499.03 : x
  2. Step 2: Convert to fraction form
    529/792.46 = 499.03/x
  3. Step 3: Cross multiply
    529x = 792.46 × 499.03
  4. Step 4: Simplify right side
    529x = 395,461.31
  5. Step 5: Solve for x
    x = 395,461.31/529
  6. Step 6: Final answer
    x = 747.56

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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.