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Finding the Fourth Proportional to 529.94, 794.00 and 255.86

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Solution

The fourth proportional to 529.94, 794.00 and 255.86 is: 383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.94 : 794.00 = 255.86 : x
  2. Step 2: Convert to fraction form
    529.94/794.00 = 255.86/x
  3. Step 3: Cross multiply
    529.94x = 794.00 × 255.86
  4. Step 4: Simplify right side
    529.94x = 203,152.49
  5. Step 5: Solve for x
    x = 203,152.49/529.94
  6. Step 6: Final answer
    x = 383.35

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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.