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Finding the Fourth Proportional to 706.24, 974.44 and 474.04

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Solution

The fourth proportional to 706.24, 974.44 and 474.04 is: 654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.24 : 974.44 = 474.04 : x
  2. Step 2: Convert to fraction form
    706.24/974.44 = 474.04/x
  3. Step 3: Cross multiply
    706.24x = 974.44 × 474.04
  4. Step 4: Simplify right side
    706.24x = 461,923.54
  5. Step 5: Solve for x
    x = 461,923.54/706.24
  6. Step 6: Final answer
    x = 654.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.