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Finding the Fourth Proportional to 470.26, 705.37 and 294.48

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Solution

The fourth proportional to 470.26, 705.37 and 294.48 is: 441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.26 : 705.37 = 294.48 : x
  2. Step 2: Convert to fraction form
    470.26/705.37 = 294.48/x
  3. Step 3: Cross multiply
    470.26x = 705.37 × 294.48
  4. Step 4: Simplify right side
    470.26x = 207,717.36
  5. Step 5: Solve for x
    x = 207,717.36/470.26
  6. Step 6: Final answer
    x = 441.71

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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.