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Finding the Fourth Proportional to 482.83, 723.92 and 174.64

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Solution

The fourth proportional to 482.83, 723.92 and 174.64 is: 261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.83 : 723.92 = 174.64 : x
  2. Step 2: Convert to fraction form
    482.83/723.92 = 174.64/x
  3. Step 3: Cross multiply
    482.83x = 723.92 × 174.64
  4. Step 4: Simplify right side
    482.83x = 126,426.55
  5. Step 5: Solve for x
    x = 126,426.55/482.83
  6. Step 6: Final answer
    x = 261.85

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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.