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Finding the Fourth Proportional to 572.36, 788.99 and 351.14

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Solution

The fourth proportional to 572.36, 788.99 and 351.14 is: 484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.36 : 788.99 = 351.14 : x
  2. Step 2: Convert to fraction form
    572.36/788.99 = 351.14/x
  3. Step 3: Cross multiply
    572.36x = 788.99 × 351.14
  4. Step 4: Simplify right side
    572.36x = 277,040.25
  5. Step 5: Solve for x
    x = 277,040.25/572.36
  6. Step 6: Final answer
    x = 484.04

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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.