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Finding the Fourth Proportional to 593.93, 819.32 and 381.31

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Solution

The fourth proportional to 593.93, 819.32 and 381.31 is: 526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.93 : 819.32 = 381.31 : x
  2. Step 2: Convert to fraction form
    593.93/819.32 = 381.31/x
  3. Step 3: Cross multiply
    593.93x = 819.32 × 381.31
  4. Step 4: Simplify right side
    593.93x = 312,410.95
  5. Step 5: Solve for x
    x = 312,410.95/593.93
  6. Step 6: Final answer
    x = 526.00

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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.