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Finding the Fourth Proportional to 958.58, 1,439.70 and 594.08

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Solution

The fourth proportional to 958.58, 1,439.70 and 594.08 is: 892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.58 : 1,439.70 = 594.08 : x
  2. Step 2: Convert to fraction form
    958.58/1,439.70 = 594.08/x
  3. Step 3: Cross multiply
    958.58x = 1,439.70 × 594.08
  4. Step 4: Simplify right side
    958.58x = 855,296.98
  5. Step 5: Solve for x
    x = 855,296.98/958.58
  6. Step 6: Final answer
    x = 892.25

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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.