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Finding the Fourth Proportional to 529.02, 793.29 and 255.24

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Solution

The fourth proportional to 529.02, 793.29 and 255.24 is: 382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.02 : 793.29 = 255.24 : x
  2. Step 2: Convert to fraction form
    529.02/793.29 = 255.24/x
  3. Step 3: Cross multiply
    529.02x = 793.29 × 255.24
  4. Step 4: Simplify right side
    529.02x = 202,479.34
  5. Step 5: Solve for x
    x = 202,479.34/529.02
  6. Step 6: Final answer
    x = 382.74

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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.