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Finding the Fourth Proportional to 529.36, 792.57 and 383.26

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Solution

The fourth proportional to 529.36, 792.57 and 383.26 is: 573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.36 : 792.57 = 383.26 : x
  2. Step 2: Convert to fraction form
    529.36/792.57 = 383.26/x
  3. Step 3: Cross multiply
    529.36x = 792.57 × 383.26
  4. Step 4: Simplify right side
    529.36x = 303,760.38
  5. Step 5: Solve for x
    x = 303,760.38/529.36
  6. Step 6: Final answer
    x = 573.83

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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.