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Finding the Fourth Proportional to 593.34, 889.66 and 398.56

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Solution

The fourth proportional to 593.34, 889.66 and 398.56 is: 597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.34 : 889.66 = 398.56 : x
  2. Step 2: Convert to fraction form
    593.34/889.66 = 398.56/x
  3. Step 3: Cross multiply
    593.34x = 889.66 × 398.56
  4. Step 4: Simplify right side
    593.34x = 354,582.89
  5. Step 5: Solve for x
    x = 354,582.89/593.34
  6. Step 6: Final answer
    x = 597.60

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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.