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Finding the Fourth Proportional to 958.50, 1,434.56 and 593.60

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Solution

The fourth proportional to 958.50, 1,434.56 and 593.60 is: 888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.50 : 1,434.56 = 593.60 : x
  2. Step 2: Convert to fraction form
    958.50/1,434.56 = 593.60/x
  3. Step 3: Cross multiply
    958.50x = 1,434.56 × 593.60
  4. Step 4: Simplify right side
    958.50x = 851,554.82
  5. Step 5: Solve for x
    x = 851,554.82/958.50
  6. Step 6: Final answer
    x = 888.42

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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.