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Finding the Fourth Proportional to 593.60, 889.68 and 361.76

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Solution

The fourth proportional to 593.60, 889.68 and 361.76 is: 542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.60 : 889.68 = 361.76 : x
  2. Step 2: Convert to fraction form
    593.60/889.68 = 361.76/x
  3. Step 3: Cross multiply
    593.60x = 889.68 × 361.76
  4. Step 4: Simplify right side
    593.60x = 321,850.64
  5. Step 5: Solve for x
    x = 321,850.64/593.60
  6. Step 6: Final answer
    x = 542.20

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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.