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Finding the Fourth Proportional to 529.96, 794.40 and 475.96

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Solution

The fourth proportional to 529.96, 794.40 and 475.96 is: 713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.96 : 794.40 = 475.96 : x
  2. Step 2: Convert to fraction form
    529.96/794.40 = 475.96/x
  3. Step 3: Cross multiply
    529.96x = 794.40 × 475.96
  4. Step 4: Simplify right side
    529.96x = 378,102.62
  5. Step 5: Solve for x
    x = 378,102.62/529.96
  6. Step 6: Final answer
    x = 713.46

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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.