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Finding the Fourth Proportional to 529.35, 794.19 and 255.46

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Solution

The fourth proportional to 529.35, 794.19 and 255.46 is: 383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.35 : 794.19 = 255.46 : x
  2. Step 2: Convert to fraction form
    529.35/794.19 = 255.46/x
  3. Step 3: Cross multiply
    529.35x = 794.19 × 255.46
  4. Step 4: Simplify right side
    529.35x = 202,883.78
  5. Step 5: Solve for x
    x = 202,883.78/529.35
  6. Step 6: Final answer
    x = 383.27

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Similar ratio
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1.5x scale

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.