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Finding the Fourth Proportional to 593.78, 819.05 and 369.84

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Solution

The fourth proportional to 593.78, 819.05 and 369.84 is: 510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.78 : 819.05 = 369.84 : x
  2. Step 2: Convert to fraction form
    593.78/819.05 = 369.84/x
  3. Step 3: Cross multiply
    593.78x = 819.05 × 369.84
  4. Step 4: Simplify right side
    593.78x = 302,915.60
  5. Step 5: Solve for x
    x = 302,915.60/593.78
  6. Step 6: Final answer
    x = 510.15

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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.