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Finding the Fourth Proportional to 529.23, 792.28 and 506.68

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Solution

The fourth proportional to 529.23, 792.28 and 506.68 is: 758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.23 : 792.28 = 506.68 : x
  2. Step 2: Convert to fraction form
    529.23/792.28 = 506.68/x
  3. Step 3: Cross multiply
    529.23x = 792.28 × 506.68
  4. Step 4: Simplify right side
    529.23x = 401,431.08
  5. Step 5: Solve for x
    x = 401,431.08/529.23
  6. Step 6: Final answer
    x = 758.51

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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.