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Finding the Fourth Proportional to 529.54, 794.04 and 255.43

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Solution

The fourth proportional to 529.54, 794.04 and 255.43 is: 383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.54 : 794.04 = 255.43 : x
  2. Step 2: Convert to fraction form
    529.54/794.04 = 255.43/x
  3. Step 3: Cross multiply
    529.54x = 794.04 × 255.43
  4. Step 4: Simplify right side
    529.54x = 202,821.64
  5. Step 5: Solve for x
    x = 202,821.64/529.54
  6. Step 6: Final answer
    x = 383.01

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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.