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Finding the Fourth Proportional to 593.60, 888.60 and 528.80

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Solution

The fourth proportional to 593.60, 888.60 and 528.80 is: 791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.60 : 888.60 = 528.80 : x
  2. Step 2: Convert to fraction form
    593.60/888.60 = 528.80/x
  3. Step 3: Cross multiply
    593.60x = 888.60 × 528.80
  4. Step 4: Simplify right side
    593.60x = 469,891.68
  5. Step 5: Solve for x
    x = 469,891.68/593.60
  6. Step 6: Final answer
    x = 791.60

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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.