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Finding the Fourth Proportional to 701.33, 1,052.04 and 214.72

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Solution

The fourth proportional to 701.33, 1,052.04 and 214.72 is: 322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.33 : 1,052.04 = 214.72 : x
  2. Step 2: Convert to fraction form
    701.33/1,052.04 = 214.72/x
  3. Step 3: Cross multiply
    701.33x = 1,052.04 × 214.72
  4. Step 4: Simplify right side
    701.33x = 225,894.03
  5. Step 5: Solve for x
    x = 225,894.03/701.33
  6. Step 6: Final answer
    x = 322.09

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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.