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Finding the Fourth Proportional to 529.07, 792.92 and 254.67

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Solution

The fourth proportional to 529.07, 792.92 and 254.67 is: 381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.07 : 792.92 = 254.67 : x
  2. Step 2: Convert to fraction form
    529.07/792.92 = 254.67/x
  3. Step 3: Cross multiply
    529.07x = 792.92 × 254.67
  4. Step 4: Simplify right side
    529.07x = 201,932.94
  5. Step 5: Solve for x
    x = 201,932.94/529.07
  6. Step 6: Final answer
    x = 381.68

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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.