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Finding the Fourth Proportional to 951.06, 1,425.89 and 482.22

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Solution

The fourth proportional to 951.06, 1,425.89 and 482.22 is: 722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.06 : 1,425.89 = 482.22 : x
  2. Step 2: Convert to fraction form
    951.06/1,425.89 = 482.22/x
  3. Step 3: Cross multiply
    951.06x = 1,425.89 × 482.22
  4. Step 4: Simplify right side
    951.06x = 687,590.26
  5. Step 5: Solve for x
    x = 687,590.26/951.06
  6. Step 6: Final answer
    x = 722.97

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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.