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Finding the Fourth Proportional to 593.78, 891.69 and 351.82

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Solution

The fourth proportional to 593.78, 891.69 and 351.82 is: 528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.78 : 891.69 = 351.82 : x
  2. Step 2: Convert to fraction form
    593.78/891.69 = 351.82/x
  3. Step 3: Cross multiply
    593.78x = 891.69 × 351.82
  4. Step 4: Simplify right side
    593.78x = 313,712.15
  5. Step 5: Solve for x
    x = 313,712.15/593.78
  6. Step 6: Final answer
    x = 528.34

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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.