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Finding the Fourth Proportional to 593.60, 889.32 and 430.88

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Solution

The fourth proportional to 593.60, 889.32 and 430.88 is: 645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.60 : 889.32 = 430.88 : x
  2. Step 2: Convert to fraction form
    593.60/889.32 = 430.88/x
  3. Step 3: Cross multiply
    593.60x = 889.32 × 430.88
  4. Step 4: Simplify right side
    593.60x = 383,190.20
  5. Step 5: Solve for x
    x = 383,190.20/593.60
  6. Step 6: Final answer
    x = 645.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.