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Finding the Fourth Proportional to 472.34, 708.33 and 164.13

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Solution

The fourth proportional to 472.34, 708.33 and 164.13 is: 246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.34 : 708.33 = 164.13 : x
  2. Step 2: Convert to fraction form
    472.34/708.33 = 164.13/x
  3. Step 3: Cross multiply
    472.34x = 708.33 × 164.13
  4. Step 4: Simplify right side
    472.34x = 116,258.20
  5. Step 5: Solve for x
    x = 116,258.20/472.34
  6. Step 6: Final answer
    x = 246.13

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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.