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Finding the Fourth Proportional to 482.34, 723.52 and 174.22

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Solution

The fourth proportional to 482.34, 723.52 and 174.22 is: 261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.34 : 723.52 = 174.22 : x
  2. Step 2: Convert to fraction form
    482.34/723.52 = 174.22/x
  3. Step 3: Cross multiply
    482.34x = 723.52 × 174.22
  4. Step 4: Simplify right side
    482.34x = 126,051.65
  5. Step 5: Solve for x
    x = 126,051.65/482.34
  6. Step 6: Final answer
    x = 261.33

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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.