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Finding the Fourth Proportional to 529.01, 793.67 and 163.86

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Solution

The fourth proportional to 529.01, 793.67 and 163.86 is: 245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.01 : 793.67 = 163.86 : x
  2. Step 2: Convert to fraction form
    529.01/793.67 = 163.86/x
  3. Step 3: Cross multiply
    529.01x = 793.67 × 163.86
  4. Step 4: Simplify right side
    529.01x = 130,050.77
  5. Step 5: Solve for x
    x = 130,050.77/529.01
  6. Step 6: Final answer
    x = 245.84

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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.