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Finding the Fourth Proportional to 470.44, 705.04 and 251.04

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Solution

The fourth proportional to 470.44, 705.04 and 251.04 is: 376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.44 : 705.04 = 251.04 : x
  2. Step 2: Convert to fraction form
    470.44/705.04 = 251.04/x
  3. Step 3: Cross multiply
    470.44x = 705.04 × 251.04
  4. Step 4: Simplify right side
    470.44x = 176,993.24
  5. Step 5: Solve for x
    x = 176,993.24/470.44
  6. Step 6: Final answer
    x = 376.23

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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.