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Finding the Fourth Proportional to 593.79, 819.66 and 531.51

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Solution

The fourth proportional to 593.79, 819.66 and 531.51 is: 733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.79 : 819.66 = 531.51 : x
  2. Step 2: Convert to fraction form
    593.79/819.66 = 531.51/x
  3. Step 3: Cross multiply
    593.79x = 819.66 × 531.51
  4. Step 4: Simplify right side
    593.79x = 435,652.42
  5. Step 5: Solve for x
    x = 435,652.42/593.79
  6. Step 6: Final answer
    x = 733.68

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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.