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Finding the Fourth Proportional to 482.32, 723.16 and 174.12

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Solution

The fourth proportional to 482.32, 723.16 and 174.12 is: 261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.32 : 723.16 = 174.12 : x
  2. Step 2: Convert to fraction form
    482.32/723.16 = 174.12/x
  3. Step 3: Cross multiply
    482.32x = 723.16 × 174.12
  4. Step 4: Simplify right side
    482.32x = 125,916.62
  5. Step 5: Solve for x
    x = 125,916.62/482.32
  6. Step 6: Final answer
    x = 261.06

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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.